1 | /* GTK - The GIMP Toolkit |
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2 | * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald |
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3 | * |
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4 | * This library is free software; you can redistribute it and/or |
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5 | * modify it under the terms of the GNU Library General Public |
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6 | * License as published by the Free Software Foundation; either |
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7 | * version 2 of the License, or (at your option) any later version. |
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8 | * |
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9 | * This library is distributed in the hope that it will be useful, |
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10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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12 | * Library General Public License for more details. |
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13 | * |
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14 | * You should have received a copy of the GNU Library General Public |
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15 | * License along with this library; if not, write to the |
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16 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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17 | * Boston, MA 02111-1307, USA. |
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18 | */ |
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19 | |
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20 | /* |
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21 | * Modified by the GTK+ Team and others 1997-1999. See the AUTHORS |
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22 | * file for a list of people on the GTK+ Team. See the ChangeLog |
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23 | * files for a list of changes. These files are distributed with |
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24 | * GTK+ at ftp://ftp.gtk.org/pub/gtk/. |
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25 | */ |
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26 | |
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27 | #ifndef __GTK_CONTAINER_H__ |
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28 | #define __GTK_CONTAINER_H__ |
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29 | |
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30 | |
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31 | #include <gdk/gdk.h> |
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32 | #include <gtk/gtkenums.h> |
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33 | #include <gtk/gtkwidget.h> |
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34 | #include <gtk/gtkadjustment.h> |
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35 | |
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36 | |
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37 | #ifdef __cplusplus |
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38 | extern "C" { |
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39 | #endif /* __cplusplus */ |
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40 | |
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41 | |
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42 | #define GTK_TYPE_CONTAINER (gtk_container_get_type ()) |
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43 | #define GTK_CONTAINER(obj) (GTK_CHECK_CAST ((obj), GTK_TYPE_CONTAINER, GtkContainer)) |
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44 | #define GTK_CONTAINER_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_CONTAINER, GtkContainerClass)) |
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45 | #define GTK_IS_CONTAINER(obj) (GTK_CHECK_TYPE ((obj), GTK_TYPE_CONTAINER)) |
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46 | #define GTK_IS_CONTAINER_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_CONTAINER)) |
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47 | |
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48 | #define GTK_IS_RESIZE_CONTAINER(widget) (GTK_IS_CONTAINER (widget) && ((GtkContainer*) (widget))->resize_mode != GTK_RESIZE_PARENT) |
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49 | |
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50 | |
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51 | typedef struct _GtkContainer GtkContainer; |
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52 | typedef struct _GtkContainerClass GtkContainerClass; |
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53 | |
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54 | struct _GtkContainer |
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55 | { |
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56 | GtkWidget widget; |
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57 | |
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58 | GtkWidget *focus_child; |
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59 | |
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60 | guint border_width : 16; |
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61 | guint need_resize : 1; |
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62 | guint resize_mode : 2; |
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63 | guint reallocate_redraws : 1; |
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64 | |
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65 | /* The list of children that requested a resize |
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66 | */ |
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67 | GSList *resize_widgets; |
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68 | }; |
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69 | |
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70 | struct _GtkContainerClass |
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71 | { |
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72 | GtkWidgetClass parent_class; |
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73 | |
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74 | guint n_child_args; |
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75 | |
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76 | void (* add) (GtkContainer *container, |
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77 | GtkWidget *widget); |
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78 | void (* remove) (GtkContainer *container, |
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79 | GtkWidget *widget); |
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80 | void (* check_resize) (GtkContainer *container); |
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81 | void (* forall) (GtkContainer *container, |
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82 | gboolean include_internals, |
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83 | GtkCallback callback, |
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84 | gpointer callbabck_data); |
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85 | gint (* focus) (GtkContainer *container, |
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86 | GtkDirectionType direction); |
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87 | void (* set_focus_child) (GtkContainer *container, |
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88 | GtkWidget *widget); |
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89 | GtkType (*child_type) (GtkContainer *container); |
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90 | void (*set_child_arg) (GtkContainer *container, |
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91 | GtkWidget *child, |
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92 | GtkArg *arg, |
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93 | guint arg_id); |
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94 | void (*get_child_arg) (GtkContainer *container, |
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95 | GtkWidget *child, |
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96 | GtkArg *arg, |
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97 | guint arg_id); |
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98 | gchar* (*composite_name) (GtkContainer *container, |
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99 | GtkWidget *child); |
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100 | |
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101 | /* Padding for future expansion */ |
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102 | GtkFunction pad1; |
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103 | GtkFunction pad2; |
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104 | }; |
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105 | |
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106 | /* Application-level methods */ |
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107 | |
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108 | GtkType gtk_container_get_type (void); |
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109 | void gtk_container_set_border_width (GtkContainer *container, |
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110 | guint border_width); |
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111 | void gtk_container_add (GtkContainer *container, |
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112 | GtkWidget *widget); |
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113 | void gtk_container_remove (GtkContainer *container, |
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114 | GtkWidget *widget); |
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115 | |
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116 | void gtk_container_set_resize_mode (GtkContainer *container, |
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117 | GtkResizeMode resize_mode); |
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118 | |
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119 | void gtk_container_check_resize (GtkContainer *container); |
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120 | |
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121 | void gtk_container_foreach (GtkContainer *container, |
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122 | GtkCallback callback, |
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123 | gpointer callback_data); |
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124 | void gtk_container_foreach_full (GtkContainer *container, |
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125 | GtkCallback callback, |
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126 | GtkCallbackMarshal marshal, |
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127 | gpointer callback_data, |
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128 | GtkDestroyNotify notify); |
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129 | GList* gtk_container_children (GtkContainer *container); |
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130 | gint gtk_container_focus (GtkContainer *container, |
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131 | GtkDirectionType direction); |
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132 | |
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133 | /* Widget-level methods */ |
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134 | |
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135 | void gtk_container_set_reallocate_redraws (GtkContainer *container, |
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136 | gboolean needs_redraws); |
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137 | void gtk_container_set_focus_child (GtkContainer *container, |
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138 | GtkWidget *child); |
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139 | void gtk_container_set_focus_vadjustment (GtkContainer *container, |
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140 | GtkAdjustment *adjustment); |
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141 | void gtk_container_set_focus_hadjustment (GtkContainer *container, |
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142 | GtkAdjustment *adjustment); |
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143 | void gtk_container_register_toplevel (GtkContainer *container); |
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144 | void gtk_container_unregister_toplevel (GtkContainer *container); |
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145 | GList* gtk_container_get_toplevels (void); |
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146 | |
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147 | void gtk_container_resize_children (GtkContainer *container); |
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148 | |
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149 | GtkType gtk_container_child_type (GtkContainer *container); |
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150 | |
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151 | /* the `arg_name' argument needs to be a const static string */ |
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152 | void gtk_container_add_child_arg_type (const gchar *arg_name, |
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153 | GtkType arg_type, |
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154 | guint arg_flags, |
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155 | guint arg_id); |
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156 | |
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157 | /* Allocate a GtkArg array of size nargs that hold the |
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158 | * names and types of the args that can be used with |
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159 | * gtk_container_child_getv/gtk_container_child_setv. |
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160 | * if (arg_flags!=NULL), |
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161 | * (*arg_flags) will be set to point to a newly allocated |
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162 | * guint array that holds the flags of the args. |
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163 | * It is the callers response to do a |
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164 | * g_free (returned_args); g_free (*arg_flags). |
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165 | */ |
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166 | GtkArg* gtk_container_query_child_args (GtkType class_type, |
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167 | guint32 **arg_flags, |
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168 | guint *nargs); |
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169 | |
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170 | /* gtk_container_child_getv() sets an arguments type and value, or just |
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171 | * its type to GTK_TYPE_INVALID. |
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172 | * if GTK_FUNDAMENTAL_TYPE (arg->type) == GTK_TYPE_STRING, it's the callers |
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173 | * response to do a g_free (GTK_VALUE_STRING (arg)); |
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174 | */ |
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175 | void gtk_container_child_getv (GtkContainer *container, |
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176 | GtkWidget *child, |
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177 | guint n_args, |
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178 | GtkArg *args); |
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179 | void gtk_container_child_setv (GtkContainer *container, |
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180 | GtkWidget *child, |
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181 | guint n_args, |
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182 | GtkArg *args); |
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183 | |
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184 | /* gtk_container_add_with_args() takes a variable argument list of the form: |
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185 | * (..., gchar *arg_name, ARG_VALUES, [repeatedly name/value pairs,] NULL) |
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186 | * where ARG_VALUES type depend on the argument and can consist of |
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187 | * more than one c-function argument. |
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188 | */ |
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189 | void gtk_container_add_with_args (GtkContainer *container, |
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190 | GtkWidget *widget, |
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191 | const gchar *first_arg_name, |
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192 | ...); |
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193 | void gtk_container_addv (GtkContainer *container, |
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194 | GtkWidget *widget, |
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195 | guint n_args, |
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196 | GtkArg *args); |
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197 | void gtk_container_child_set (GtkContainer *container, |
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198 | GtkWidget *child, |
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199 | const gchar *first_arg_name, |
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200 | ...); |
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201 | |
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202 | |
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203 | /* Non-public methods */ |
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204 | |
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205 | void gtk_container_queue_resize (GtkContainer *container); |
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206 | void gtk_container_clear_resize_widgets (GtkContainer *container); |
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207 | void gtk_container_arg_set (GtkContainer *container, |
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208 | GtkWidget *child, |
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209 | GtkArg *arg, |
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210 | GtkArgInfo *info); |
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211 | void gtk_container_arg_get (GtkContainer *container, |
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212 | GtkWidget *child, |
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213 | GtkArg *arg, |
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214 | GtkArgInfo *info); |
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215 | gchar* gtk_container_child_args_collect (GtkType object_type, |
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216 | GSList **arg_list_p, |
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217 | GSList **info_list_p, |
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218 | const gchar *first_arg_name, |
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219 | va_list args); |
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220 | gchar* gtk_container_child_arg_get_info (GtkType object_type, |
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221 | const gchar *arg_name, |
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222 | GtkArgInfo **info_p); |
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223 | void gtk_container_forall (GtkContainer *container, |
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224 | GtkCallback callback, |
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225 | gpointer callback_data); |
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226 | gchar* gtk_container_child_composite_name (GtkContainer *container, |
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227 | GtkWidget *child); |
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228 | void gtk_container_dequeue_resize_handler (GtkContainer *container); |
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229 | |
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230 | #ifdef __cplusplus |
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231 | } |
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232 | #endif /* __cplusplus */ |
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233 | |
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234 | |
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235 | #endif /* __GTK_CONTAINER_H__ */ |
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