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, see <http://www.gnu.org/licenses/>.
  16  *
  17  * Written by Owen Taylor <otaylor@redhat.com>, based on code by
  18  * Carsten Haitzler <raster@rasterman.com>
  19  */
  20
  21 #include <gtk/gtk.h>
  22 #include <gdk-pixbuf/gdk-pixbuf.h>
  23
  24 /* internals */
  25
  26 typedef struct _ThemeData ThemeData;
  27 typedef struct _ThemeImage ThemeImage;
  28 typedef struct _ThemeMatchData ThemeMatchData;
  29 typedef struct _ThemePixbuf ThemePixbuf;
  30
  31 enum
  32 {
  33   TOKEN_IMAGE = G_TOKEN_LAST + 1,
  34   TOKEN_FUNCTION,
  35   TOKEN_FILE,
  36   TOKEN_STRETCH,
  37   TOKEN_RECOLORABLE,
  38   TOKEN_BORDER,
  39   TOKEN_DETAIL,
  40   TOKEN_STATE,
  41   TOKEN_SHADOW,
  42   TOKEN_GAP_SIDE,
  43   TOKEN_GAP_FILE,
  44   TOKEN_GAP_BORDER,
  45   TOKEN_GAP_START_FILE,
  46   TOKEN_GAP_START_BORDER,
  47   TOKEN_GAP_END_FILE,
  48   TOKEN_GAP_END_BORDER,
  49   TOKEN_OVERLAY_FILE,
  50   TOKEN_OVERLAY_BORDER,
  51   TOKEN_OVERLAY_STRETCH,
  52   TOKEN_ARROW_DIRECTION,
  53   TOKEN_EXPANDER_STYLE,
  54   TOKEN_WINDOW_EDGE,
  55   TOKEN_D_HLINE,
  56   TOKEN_D_VLINE,
  57   TOKEN_D_SHADOW,
  58   TOKEN_D_POLYGON,
  59   TOKEN_D_ARROW,
  60   TOKEN_D_DIAMOND,
  61   TOKEN_D_OVAL,
  62   TOKEN_D_STRING,
  63   TOKEN_D_BOX,
  64   TOKEN_D_FLAT_BOX,
  65   TOKEN_D_CHECK,
  66   TOKEN_D_OPTION,
  67   TOKEN_D_CROSS,
  68   TOKEN_D_RAMP,
  69   TOKEN_D_TAB,
  70   TOKEN_D_SHADOW_GAP,
  71   TOKEN_D_BOX_GAP,
  72   TOKEN_D_EXTENSION,
  73   TOKEN_D_FOCUS,
  74   TOKEN_D_SLIDER,
  75   TOKEN_D_ENTRY,
  76   TOKEN_D_HANDLE,
  77   TOKEN_D_STEPPER,
  78   TOKEN_D_EXPANDER,
  79   TOKEN_D_RESIZE_GRIP,
  80   TOKEN_TRUE,
  81   TOKEN_FALSE,
  82   TOKEN_TOP,
  83   TOKEN_UP,
  84   TOKEN_BOTTOM,
  85   TOKEN_DOWN,
  86   TOKEN_LEFT,
  87   TOKEN_RIGHT,
  88   TOKEN_NORMAL,
  89   TOKEN_ACTIVE,
  90   TOKEN_PRELIGHT,
  91   TOKEN_SELECTED,
  92   TOKEN_INSENSITIVE,
  93   TOKEN_NONE,
  94   TOKEN_IN,
  95   TOKEN_OUT,
  96   TOKEN_ETCHED_IN,
  97   TOKEN_ETCHED_OUT,
  98   TOKEN_ORIENTATION,
  99   TOKEN_HORIZONTAL,
 100   TOKEN_VERTICAL,
 101   TOKEN_COLLAPSED,
 102   TOKEN_SEMI_COLLAPSED,
 103   TOKEN_SEMI_EXPANDED,
 104   TOKEN_EXPANDED,
 105   TOKEN_NORTH_WEST,
 106   TOKEN_NORTH,
 107   TOKEN_NORTH_EAST,
 108   TOKEN_WEST,
 109   TOKEN_EAST,
 110   TOKEN_SOUTH_WEST,
 111   TOKEN_SOUTH,
 112   TOKEN_SOUTH_EAST
 113 };
 114
 115 typedef enum
 116 {
 117   COMPONENT_NORTH_WEST = 1 << 0,
 118   COMPONENT_NORTH      = 1 << 1,
 119   COMPONENT_NORTH_EAST = 1 << 2,
 120   COMPONENT_WEST       = 1 << 3,
 121   COMPONENT_CENTER     = 1 << 4,
 122   COMPONENT_EAST       = 1 << 5,
 123   COMPONENT_SOUTH_EAST = 1 << 6,
 124   COMPONENT_SOUTH      = 1 << 7,
 125   COMPONENT_SOUTH_WEST = 1 << 8,
 126   COMPONENT_ALL           = 1 << 9
 127 } ThemePixbufComponent;
 128
 129 typedef enum {
 130   THEME_MATCH_GAP_SIDE        = 1 << 0,
 131   THEME_MATCH_ORIENTATION     = 1 << 1,
 132   THEME_MATCH_STATE           = 1 << 2,
 133   THEME_MATCH_SHADOW          = 1 << 3,
 134   THEME_MATCH_ARROW_DIRECTION = 1 << 4,
 135   THEME_MATCH_EXPANDER_STYLE  = 1 << 5,
 136   THEME_MATCH_WINDOW_EDGE     = 1 << 6
 137 } ThemeMatchFlags;
 138
 139 typedef enum {
 140   THEME_CONSTANT_ROWS = 1 << 0,
 141   THEME_CONSTANT_COLS = 1 << 1,
 142   THEME_MISSING = 1 << 2
 143 } ThemeRenderHints;
 144
 145 struct _ThemePixbuf
 146 {
 147   gchar     *filename;
 148   GdkPixbuf *pixbuf;
 149   gboolean   stretch;
 150   gint       border_left;
 151   gint       border_right;
 152   gint       border_bottom;
 153   gint       border_top;
 154   guint      hints[3][3];
 155 };
 156
 157 struct _ThemeMatchData
 158 {
 159   guint            function;    /* Mandatory */
 160   gchar           *detail;
 161
 162   ThemeMatchFlags  flags;
 163
 164   GtkPositionType  gap_side;
 165   GtkOrientation   orientation;
 166   GtkStateType     state;
 167   GtkShadowType    shadow;
 168   GtkArrowType     arrow_direction;
 169   GtkExpanderStyle expander_style;
 170   GdkWindowEdge    window_edge;
 171 };
 172
 173 struct _ThemeImage
 174 {
 175   guint           refcount;
 176
 177   ThemePixbuf    *background;
 178   ThemePixbuf    *overlay;
 179   ThemePixbuf    *gap_start;
 180   ThemePixbuf    *gap;
 181   ThemePixbuf    *gap_end;
 182
 183   gchar           recolorable;
 184
 185   ThemeMatchData  match_data;
 186 };
 187
 188
 189 G_GNUC_INTERNAL ThemePixbuf *theme_pixbuf_new          (void);
 190 G_GNUC_INTERNAL void         theme_pixbuf_destroy      (ThemePixbuf  *theme_pb);
 191 G_GNUC_INTERNAL void         theme_pixbuf_set_filename (ThemePixbuf  *theme_pb,
 192                                         const char   *filename);
 193 G_GNUC_INTERNAL GdkPixbuf *  theme_pixbuf_get_pixbuf   (ThemePixbuf  *theme_pb);
 194 G_GNUC_INTERNAL void         theme_pixbuf_set_border   (ThemePixbuf  *theme_pb,
 195                                         gint          left,
 196                                         gint          right,
 197                                         gint          top,
 198                                         gint          bottom);
 199 G_GNUC_INTERNAL void         theme_pixbuf_set_stretch  (ThemePixbuf  *theme_pb,
 200                                         gboolean      stretch);
 201 G_GNUC_INTERNAL void         theme_pixbuf_render       (ThemePixbuf  *theme_pb,
 202                                         cairo_t      *cr,
 203                                         guint         component_mask,
 204                                         gboolean      center,
 205                                         gint          dest_x,
 206                                         gint          dest_y,
 207                                         gint          dest_width,
 208                                         gint          dest_height);
 209
 210
 211
 212 extern GtkStyleClass pixmap_default_class;