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_WIDGET_H__ |
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28 | #define __GTK_WIDGET_H__ |
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29 | |
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30 | #include <gdk/gdk.h> |
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31 | #include <gtk/gtkaccelgroup.h> |
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32 | #include <gtk/gtkobject.h> |
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33 | #include <gtk/gtkadjustment.h> |
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34 | #include <gtk/gtkstyle.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 | /* The flags that are used by GtkWidget on top of the |
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43 | * flags field of GtkObject. |
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44 | */ |
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45 | typedef enum |
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46 | { |
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47 | GTK_TOPLEVEL = 1 << 4, |
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48 | GTK_NO_WINDOW = 1 << 5, |
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49 | GTK_REALIZED = 1 << 6, |
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50 | GTK_MAPPED = 1 << 7, |
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51 | GTK_VISIBLE = 1 << 8, |
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52 | GTK_SENSITIVE = 1 << 9, |
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53 | GTK_PARENT_SENSITIVE = 1 << 10, |
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54 | GTK_CAN_FOCUS = 1 << 11, |
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55 | GTK_HAS_FOCUS = 1 << 12, |
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56 | |
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57 | /* widget is allowed to receive the default via gtk_widget_grab_default |
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58 | * and will reserve space to draw the default if possible */ |
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59 | GTK_CAN_DEFAULT = 1 << 13, |
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60 | |
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61 | /* the widget currently is receiving the default action and should be drawn |
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62 | * appropriately if possible */ |
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63 | GTK_HAS_DEFAULT = 1 << 14, |
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64 | |
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65 | GTK_HAS_GRAB = 1 << 15, |
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66 | GTK_RC_STYLE = 1 << 16, |
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67 | GTK_COMPOSITE_CHILD = 1 << 17, |
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68 | GTK_NO_REPARENT = 1 << 18, |
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69 | GTK_APP_PAINTABLE = 1 << 19, |
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70 | |
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71 | /* the widget when focused will receive the default action and have |
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72 | * HAS_DEFAULT set even if there is a different widget set as default */ |
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73 | GTK_RECEIVES_DEFAULT = 1 << 20 |
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74 | } GtkWidgetFlags; |
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75 | |
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76 | /* Macro for casting a pointer to a GtkWidget or GtkWidgetClass pointer. |
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77 | * Macros for testing whether `widget' or `klass' are of type GTK_TYPE_WIDGET. |
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78 | */ |
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79 | #define GTK_TYPE_WIDGET (gtk_widget_get_type ()) |
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80 | #define GTK_WIDGET(widget) (GTK_CHECK_CAST ((widget), GTK_TYPE_WIDGET, GtkWidget)) |
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81 | #define GTK_WIDGET_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GTK_TYPE_WIDGET, GtkWidgetClass)) |
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82 | #define GTK_IS_WIDGET(widget) (GTK_CHECK_TYPE ((widget), GTK_TYPE_WIDGET)) |
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83 | #define GTK_IS_WIDGET_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GTK_TYPE_WIDGET)) |
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84 | |
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85 | /* Macros for extracting various fields from GtkWidget and GtkWidgetClass. |
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86 | */ |
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87 | #define GTK_WIDGET_TYPE(wid) (GTK_OBJECT_TYPE (wid)) |
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88 | #define GTK_WIDGET_STATE(wid) (GTK_WIDGET (wid)->state) |
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89 | #define GTK_WIDGET_SAVED_STATE(wid) (GTK_WIDGET (wid)->saved_state) |
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90 | |
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91 | /* Macros for extracting the widget flags from GtkWidget. |
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92 | */ |
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93 | #define GTK_WIDGET_FLAGS(wid) (GTK_OBJECT_FLAGS (wid)) |
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94 | #define GTK_WIDGET_TOPLEVEL(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_TOPLEVEL) != 0) |
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95 | #define GTK_WIDGET_NO_WINDOW(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_NO_WINDOW) != 0) |
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96 | #define GTK_WIDGET_REALIZED(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_REALIZED) != 0) |
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97 | #define GTK_WIDGET_MAPPED(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_MAPPED) != 0) |
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98 | #define GTK_WIDGET_VISIBLE(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_VISIBLE) != 0) |
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99 | #define GTK_WIDGET_DRAWABLE(wid) (GTK_WIDGET_VISIBLE (wid) && GTK_WIDGET_MAPPED (wid)) |
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100 | #define GTK_WIDGET_SENSITIVE(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_SENSITIVE) != 0) |
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101 | #define GTK_WIDGET_PARENT_SENSITIVE(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_PARENT_SENSITIVE) != 0) |
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102 | #define GTK_WIDGET_IS_SENSITIVE(wid) (GTK_WIDGET_SENSITIVE (wid) && \ |
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103 | GTK_WIDGET_PARENT_SENSITIVE (wid)) |
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104 | #define GTK_WIDGET_CAN_FOCUS(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_CAN_FOCUS) != 0) |
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105 | #define GTK_WIDGET_HAS_FOCUS(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_HAS_FOCUS) != 0) |
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106 | #define GTK_WIDGET_CAN_DEFAULT(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_CAN_DEFAULT) != 0) |
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107 | #define GTK_WIDGET_HAS_DEFAULT(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_HAS_DEFAULT) != 0) |
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108 | #define GTK_WIDGET_HAS_GRAB(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_HAS_GRAB) != 0) |
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109 | #define GTK_WIDGET_RC_STYLE(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_RC_STYLE) != 0) |
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110 | #define GTK_WIDGET_COMPOSITE_CHILD(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_COMPOSITE_CHILD) != 0) |
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111 | #define GTK_WIDGET_APP_PAINTABLE(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_APP_PAINTABLE) != 0) |
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112 | #define GTK_WIDGET_RECEIVES_DEFAULT(wid) ((GTK_WIDGET_FLAGS (wid) & GTK_RECEIVES_DEFAULT) != 0) |
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113 | |
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114 | /* Macros for setting and clearing widget flags. |
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115 | */ |
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116 | #define GTK_WIDGET_SET_FLAGS(wid,flag) G_STMT_START{ (GTK_WIDGET_FLAGS (wid) |= (flag)); }G_STMT_END |
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117 | #define GTK_WIDGET_UNSET_FLAGS(wid,flag) G_STMT_START{ (GTK_WIDGET_FLAGS (wid) &= ~(flag)); }G_STMT_END |
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118 | |
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119 | |
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120 | |
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121 | typedef struct _GtkRequisition GtkRequisition; |
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122 | typedef struct _GtkAllocation GtkAllocation; |
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123 | typedef struct _GtkSelectionData GtkSelectionData; |
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124 | typedef struct _GtkWidgetClass GtkWidgetClass; |
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125 | typedef struct _GtkWidgetAuxInfo GtkWidgetAuxInfo; |
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126 | typedef struct _GtkWidgetShapeInfo GtkWidgetShapeInfo; |
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127 | |
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128 | typedef void (*GtkCallback) (GtkWidget *widget, |
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129 | gpointer data); |
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130 | |
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131 | /* A requisition is a desired amount of space which a |
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132 | * widget may request. |
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133 | */ |
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134 | struct _GtkRequisition |
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135 | { |
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136 | gint16 width; |
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137 | gint16 height; |
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138 | }; |
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139 | |
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140 | /* An allocation is a size and position. Where a widget |
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141 | * can ask for a desired size, it is actually given |
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142 | * this amount of space at the specified position. |
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143 | */ |
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144 | struct _GtkAllocation |
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145 | { |
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146 | gint16 x; |
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147 | gint16 y; |
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148 | guint16 width; |
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149 | guint16 height; |
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150 | }; |
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151 | |
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152 | /* The contents of a selection are returned in a GtkSelectionData |
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153 | structure. selection/target identify the request. |
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154 | type specifies the type of the return; if length < 0, and |
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155 | the data should be ignored. This structure has object semantics - |
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156 | no fields should be modified directly, they should not be created |
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157 | directly, and pointers to them should not be stored beyond the duration of |
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158 | a callback. (If the last is changed, we'll need to add reference |
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159 | counting.) The time field gives the timestamp at which the data was sent. */ |
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160 | |
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161 | struct _GtkSelectionData |
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162 | { |
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163 | GdkAtom selection; |
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164 | GdkAtom target; |
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165 | GdkAtom type; |
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166 | gint format; |
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167 | guchar *data; |
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168 | gint length; |
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169 | }; |
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170 | |
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171 | /* The widget is the base of the tree for displayable objects. |
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172 | * (A displayable object is one which takes up some amount |
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173 | * of screen real estate). It provides a common base and interface |
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174 | * which actual widgets must adhere to. |
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175 | */ |
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176 | struct _GtkWidget |
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177 | { |
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178 | /* The object structure needs to be the first |
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179 | * element in the widget structure in order for |
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180 | * the object mechanism to work correctly. This |
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181 | * allows a GtkWidget pointer to be cast to a |
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182 | * GtkObject pointer. |
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183 | */ |
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184 | GtkObject object; |
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185 | |
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186 | /* 16 bits of internally used private flags. |
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187 | * this will be packed into the same 4 byte alignment frame that |
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188 | * state and saved_state go. we therefore don't waste any new |
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189 | * space on this. |
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190 | */ |
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191 | guint16 private_flags; |
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192 | |
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193 | /* The state of the widget. There are actually only |
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194 | * 5 widget states (defined in "gtkenums.h"). |
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195 | */ |
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196 | guint8 state; |
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197 | |
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198 | /* The saved state of the widget. When a widgets state |
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199 | * is changed to GTK_STATE_INSENSITIVE via |
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200 | * "gtk_widget_set_state" or "gtk_widget_set_sensitive" |
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201 | * the old state is kept around in this field. The state |
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202 | * will be restored once the widget gets sensitive again. |
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203 | */ |
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204 | guint8 saved_state; |
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205 | |
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206 | /* The widgets name. If the widget does not have a name |
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207 | * (the name is NULL), then its name (as returned by |
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208 | * "gtk_widget_get_name") is its classes name. |
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209 | * Among other things, the widget name is used to determine |
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210 | * the style to use for a widget. |
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211 | */ |
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212 | gchar *name; |
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213 | |
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214 | /* The style for the widget. The style contains the |
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215 | * colors the widget should be drawn in for each state |
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216 | * along with graphics contexts used to draw with and |
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217 | * the font to use for text. |
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218 | */ |
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219 | GtkStyle *style; |
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220 | |
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221 | /* The widgets desired size. |
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222 | */ |
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223 | GtkRequisition requisition; |
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224 | |
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225 | /* The widgets allocated size. |
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226 | */ |
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227 | GtkAllocation allocation; |
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228 | |
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229 | /* The widgets window or its parent window if it does |
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230 | * not have a window. (Which will be indicated by the |
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231 | * GTK_NO_WINDOW flag being set). |
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232 | */ |
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233 | GdkWindow *window; |
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234 | |
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235 | /* The widgets parent. |
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236 | */ |
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237 | GtkWidget *parent; |
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238 | }; |
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239 | |
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240 | struct _GtkWidgetClass |
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241 | { |
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242 | /* The object class structure needs to be the first |
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243 | * element in the widget class structure in order for |
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244 | * the class mechanism to work correctly. This allows a |
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245 | * GtkWidgetClass pointer to be cast to a GtkObjectClass |
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246 | * pointer. |
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247 | */ |
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248 | GtkObjectClass parent_class; |
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249 | |
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250 | /* The signal to emit when a widget of this class is activated, |
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251 | * gtk_widget_activate() handles the emission. |
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252 | * Implementation of this signal is optional. |
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253 | */ |
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254 | guint activate_signal; |
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255 | |
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256 | /* This signal is emitted when a widget of this class is added |
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257 | * to a scrolling aware parent, gtk_widget_set_scroll_adjustments() |
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258 | * handles the emission. |
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259 | * Implementation of this signal is optional. |
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260 | */ |
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261 | guint set_scroll_adjustments_signal; |
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262 | |
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263 | /* basics */ |
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264 | void (* show) (GtkWidget *widget); |
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265 | void (* show_all) (GtkWidget *widget); |
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266 | void (* hide) (GtkWidget *widget); |
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267 | void (* hide_all) (GtkWidget *widget); |
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268 | void (* map) (GtkWidget *widget); |
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269 | void (* unmap) (GtkWidget *widget); |
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270 | void (* realize) (GtkWidget *widget); |
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271 | void (* unrealize) (GtkWidget *widget); |
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272 | void (* draw) (GtkWidget *widget, |
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273 | GdkRectangle *area); |
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274 | void (* draw_focus) (GtkWidget *widget); |
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275 | void (* draw_default) (GtkWidget *widget); |
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276 | void (* size_request) (GtkWidget *widget, |
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277 | GtkRequisition *requisition); |
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278 | void (* size_allocate) (GtkWidget *widget, |
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279 | GtkAllocation *allocation); |
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280 | void (* state_changed) (GtkWidget *widget, |
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281 | GtkStateType previous_state); |
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282 | void (* parent_set) (GtkWidget *widget, |
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283 | GtkWidget *previous_parent); |
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284 | void (* style_set) (GtkWidget *widget, |
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285 | GtkStyle *previous_style); |
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286 | |
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287 | /* accelerators */ |
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288 | gint (* add_accelerator) (GtkWidget *widget, |
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289 | guint accel_signal_id, |
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290 | GtkAccelGroup *accel_group, |
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291 | guint accel_key, |
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292 | GdkModifierType accel_mods, |
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293 | GtkAccelFlags accel_flags); |
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294 | void (* remove_accelerator) (GtkWidget *widget, |
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295 | GtkAccelGroup *accel_group, |
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296 | guint accel_key, |
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297 | GdkModifierType accel_mods); |
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298 | |
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299 | /* explicit focus */ |
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300 | void (* grab_focus) (GtkWidget *widget); |
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301 | |
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302 | /* events */ |
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303 | gint (* event) (GtkWidget *widget, |
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304 | GdkEvent *event); |
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305 | gint (* button_press_event) (GtkWidget *widget, |
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306 | GdkEventButton *event); |
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307 | gint (* button_release_event) (GtkWidget *widget, |
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308 | GdkEventButton *event); |
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309 | gint (* motion_notify_event) (GtkWidget *widget, |
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310 | GdkEventMotion *event); |
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311 | gint (* delete_event) (GtkWidget *widget, |
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312 | GdkEventAny *event); |
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313 | gint (* destroy_event) (GtkWidget *widget, |
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314 | GdkEventAny *event); |
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315 | gint (* expose_event) (GtkWidget *widget, |
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316 | GdkEventExpose *event); |
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317 | gint (* key_press_event) (GtkWidget *widget, |
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318 | GdkEventKey *event); |
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319 | gint (* key_release_event) (GtkWidget *widget, |
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320 | GdkEventKey *event); |
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321 | gint (* enter_notify_event) (GtkWidget *widget, |
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322 | GdkEventCrossing *event); |
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323 | gint (* leave_notify_event) (GtkWidget *widget, |
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324 | GdkEventCrossing *event); |
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325 | gint (* configure_event) (GtkWidget *widget, |
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326 | GdkEventConfigure *event); |
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327 | gint (* focus_in_event) (GtkWidget *widget, |
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328 | GdkEventFocus *event); |
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329 | gint (* focus_out_event) (GtkWidget *widget, |
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330 | GdkEventFocus *event); |
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331 | gint (* map_event) (GtkWidget *widget, |
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332 | GdkEventAny *event); |
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333 | gint (* unmap_event) (GtkWidget *widget, |
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334 | GdkEventAny *event); |
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335 | gint (* property_notify_event) (GtkWidget *widget, |
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336 | GdkEventProperty *event); |
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337 | gint (* selection_clear_event) (GtkWidget *widget, |
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338 | GdkEventSelection *event); |
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339 | gint (* selection_request_event) (GtkWidget *widget, |
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340 | GdkEventSelection *event); |
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341 | gint (* selection_notify_event) (GtkWidget *widget, |
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342 | GdkEventSelection *event); |
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343 | gint (* proximity_in_event) (GtkWidget *widget, |
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344 | GdkEventProximity *event); |
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345 | gint (* proximity_out_event) (GtkWidget *widget, |
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346 | GdkEventProximity *event); |
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347 | gint (* visibility_notify_event) (GtkWidget *widget, |
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348 | GdkEventVisibility *event); |
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349 | gint (* client_event) (GtkWidget *widget, |
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350 | GdkEventClient *event); |
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351 | gint (* no_expose_event) (GtkWidget *widget, |
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352 | GdkEventAny *event); |
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353 | |
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354 | /* selection */ |
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355 | void (* selection_get) (GtkWidget *widget, |
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356 | GtkSelectionData *selection_data, |
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357 | guint info, |
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358 | guint time); |
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359 | void (* selection_received) (GtkWidget *widget, |
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360 | GtkSelectionData *selection_data, |
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361 | guint time); |
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362 | |
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363 | /* Source side drag signals */ |
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364 | void (* drag_begin) (GtkWidget *widget, |
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365 | GdkDragContext *context); |
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366 | void (* drag_end) (GtkWidget *widget, |
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367 | GdkDragContext *context); |
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368 | void (* drag_data_get) (GtkWidget *widget, |
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369 | GdkDragContext *context, |
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370 | GtkSelectionData *selection_data, |
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371 | guint info, |
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372 | guint time); |
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373 | void (* drag_data_delete) (GtkWidget *widget, |
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374 | GdkDragContext *context); |
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375 | |
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376 | /* Target side drag signals */ |
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377 | void (* drag_leave) (GtkWidget *widget, |
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378 | GdkDragContext *context, |
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379 | guint time); |
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380 | gboolean (* drag_motion) (GtkWidget *widget, |
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381 | GdkDragContext *context, |
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382 | gint x, |
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383 | gint y, |
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384 | guint time); |
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385 | gboolean (* drag_drop) (GtkWidget *widget, |
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386 | GdkDragContext *context, |
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387 | gint x, |
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388 | gint y, |
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389 | guint time); |
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390 | void (* drag_data_received) (GtkWidget *widget, |
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391 | GdkDragContext *context, |
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392 | gint x, |
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393 | gint y, |
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394 | GtkSelectionData *selection_data, |
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395 | guint info, |
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396 | guint time); |
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397 | |
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398 | /* action signals */ |
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399 | void (* debug_msg) (GtkWidget *widget, |
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400 | const gchar *string); |
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401 | |
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402 | /* Padding for future expandsion */ |
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403 | GtkFunction pad1; |
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404 | GtkFunction pad2; |
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405 | GtkFunction pad3; |
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406 | GtkFunction pad4; |
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407 | }; |
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408 | |
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409 | struct _GtkWidgetAuxInfo |
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410 | { |
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411 | gint16 x; |
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412 | gint16 y; |
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413 | gint16 width; |
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414 | gint16 height; |
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415 | }; |
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416 | |
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417 | struct _GtkWidgetShapeInfo |
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418 | { |
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419 | gint16 offset_x; |
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420 | gint16 offset_y; |
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421 | GdkBitmap *shape_mask; |
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422 | }; |
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423 | |
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424 | |
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425 | GtkType gtk_widget_get_type (void); |
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426 | GtkWidget* gtk_widget_new (GtkType type, |
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427 | const gchar *first_arg_name, |
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428 | ...); |
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429 | GtkWidget* gtk_widget_newv (GtkType type, |
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430 | guint nargs, |
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431 | GtkArg *args); |
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432 | void gtk_widget_ref (GtkWidget *widget); |
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433 | void gtk_widget_unref (GtkWidget *widget); |
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434 | void gtk_widget_destroy (GtkWidget *widget); |
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435 | void gtk_widget_destroyed (GtkWidget *widget, |
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436 | GtkWidget **widget_pointer); |
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437 | void gtk_widget_get (GtkWidget *widget, |
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438 | GtkArg *arg); |
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439 | void gtk_widget_getv (GtkWidget *widget, |
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440 | guint nargs, |
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441 | GtkArg *args); |
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442 | void gtk_widget_set (GtkWidget *widget, |
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443 | const gchar *first_arg_name, |
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444 | ...); |
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445 | void gtk_widget_setv (GtkWidget *widget, |
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446 | guint nargs, |
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447 | GtkArg *args); |
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448 | void gtk_widget_unparent (GtkWidget *widget); |
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449 | void gtk_widget_show (GtkWidget *widget); |
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450 | void gtk_widget_show_now (GtkWidget *widget); |
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451 | void gtk_widget_hide (GtkWidget *widget); |
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452 | void gtk_widget_show_all (GtkWidget *widget); |
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453 | void gtk_widget_hide_all (GtkWidget *widget); |
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454 | void gtk_widget_map (GtkWidget *widget); |
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455 | void gtk_widget_unmap (GtkWidget *widget); |
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456 | void gtk_widget_realize (GtkWidget *widget); |
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457 | void gtk_widget_unrealize (GtkWidget *widget); |
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458 | |
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459 | /* Queuing draws */ |
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460 | void gtk_widget_queue_draw (GtkWidget *widget); |
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461 | void gtk_widget_queue_draw_area (GtkWidget *widget, |
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462 | gint x, |
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463 | gint y, |
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464 | gint width, |
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465 | gint height); |
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466 | void gtk_widget_queue_clear (GtkWidget *widget); |
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467 | void gtk_widget_queue_clear_area (GtkWidget *widget, |
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468 | gint x, |
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469 | gint y, |
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470 | gint width, |
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471 | gint height); |
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472 | |
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473 | |
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474 | void gtk_widget_queue_resize (GtkWidget *widget); |
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475 | void gtk_widget_draw (GtkWidget *widget, |
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476 | GdkRectangle *area); |
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477 | void gtk_widget_draw_focus (GtkWidget *widget); |
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478 | void gtk_widget_draw_default (GtkWidget *widget); |
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479 | void gtk_widget_size_request (GtkWidget *widget, |
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480 | GtkRequisition *requisition); |
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481 | void gtk_widget_size_allocate (GtkWidget *widget, |
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482 | GtkAllocation *allocation); |
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483 | void gtk_widget_get_child_requisition (GtkWidget *widget, |
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484 | GtkRequisition *requisition); |
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485 | void gtk_widget_add_accelerator (GtkWidget *widget, |
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486 | const gchar *accel_signal, |
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487 | GtkAccelGroup *accel_group, |
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488 | guint accel_key, |
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489 | guint accel_mods, |
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490 | GtkAccelFlags accel_flags); |
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491 | void gtk_widget_remove_accelerator (GtkWidget *widget, |
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492 | GtkAccelGroup *accel_group, |
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493 | guint accel_key, |
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494 | guint accel_mods); |
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495 | void gtk_widget_remove_accelerators (GtkWidget *widget, |
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496 | const gchar *accel_signal, |
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497 | gboolean visible_only); |
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498 | guint gtk_widget_accelerator_signal (GtkWidget *widget, |
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499 | GtkAccelGroup *accel_group, |
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500 | guint accel_key, |
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501 | guint accel_mods); |
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502 | void gtk_widget_lock_accelerators (GtkWidget *widget); |
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503 | void gtk_widget_unlock_accelerators (GtkWidget *widget); |
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504 | gboolean gtk_widget_accelerators_locked (GtkWidget *widget); |
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505 | gint gtk_widget_event (GtkWidget *widget, |
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506 | GdkEvent *event); |
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507 | |
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508 | gboolean gtk_widget_activate (GtkWidget *widget); |
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509 | gboolean gtk_widget_set_scroll_adjustments (GtkWidget *widget, |
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510 | GtkAdjustment *hadjustment, |
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511 | GtkAdjustment *vadjustment); |
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512 | |
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513 | void gtk_widget_reparent (GtkWidget *widget, |
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514 | GtkWidget *new_parent); |
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515 | void gtk_widget_popup (GtkWidget *widget, |
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516 | gint x, |
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517 | gint y); |
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518 | gint gtk_widget_intersect (GtkWidget *widget, |
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519 | GdkRectangle *area, |
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520 | GdkRectangle *intersection); |
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521 | |
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522 | void gtk_widget_grab_focus (GtkWidget *widget); |
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523 | void gtk_widget_grab_default (GtkWidget *widget); |
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524 | |
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525 | void gtk_widget_set_name (GtkWidget *widget, |
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526 | const gchar *name); |
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527 | gchar* gtk_widget_get_name (GtkWidget *widget); |
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528 | void gtk_widget_set_state (GtkWidget *widget, |
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529 | GtkStateType state); |
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530 | void gtk_widget_set_sensitive (GtkWidget *widget, |
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531 | gboolean sensitive); |
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532 | void gtk_widget_set_app_paintable (GtkWidget *widget, |
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533 | gboolean app_paintable); |
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534 | void gtk_widget_set_parent (GtkWidget *widget, |
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535 | GtkWidget *parent); |
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536 | void gtk_widget_set_parent_window (GtkWidget *widget, |
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537 | GdkWindow *parent_window); |
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538 | GdkWindow *gtk_widget_get_parent_window (GtkWidget *widget); |
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539 | void gtk_widget_set_uposition (GtkWidget *widget, |
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540 | gint x, |
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541 | gint y); |
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542 | void gtk_widget_set_usize (GtkWidget *widget, |
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543 | gint width, |
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544 | gint height); |
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545 | void gtk_widget_set_events (GtkWidget *widget, |
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546 | gint events); |
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547 | void gtk_widget_add_events (GtkWidget *widget, |
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548 | gint events); |
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549 | void gtk_widget_set_extension_events (GtkWidget *widget, |
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550 | GdkExtensionMode mode); |
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551 | |
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552 | GdkExtensionMode gtk_widget_get_extension_events (GtkWidget *widget); |
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553 | GtkWidget* gtk_widget_get_toplevel (GtkWidget *widget); |
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554 | GtkWidget* gtk_widget_get_ancestor (GtkWidget *widget, |
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555 | GtkType widget_type); |
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556 | GdkColormap* gtk_widget_get_colormap (GtkWidget *widget); |
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557 | GdkVisual* gtk_widget_get_visual (GtkWidget *widget); |
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558 | |
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559 | /* The following functions must not be called on an already |
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560 | * realized widget. Because it is possible that somebody |
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561 | * can call get_colormap() or get_visual() and save the |
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562 | * result, these functions are probably only safe to |
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563 | * call in a widget's init() function. |
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564 | */ |
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565 | void gtk_widget_set_colormap (GtkWidget *widget, |
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566 | GdkColormap *colormap); |
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567 | void gtk_widget_set_visual (GtkWidget *widget, |
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568 | GdkVisual *visual); |
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569 | |
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570 | |
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571 | gint gtk_widget_get_events (GtkWidget *widget); |
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572 | void gtk_widget_get_pointer (GtkWidget *widget, |
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573 | gint *x, |
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574 | gint *y); |
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575 | |
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576 | gboolean gtk_widget_is_ancestor (GtkWidget *widget, |
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577 | GtkWidget *ancestor); |
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578 | |
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579 | /* Hide widget and return TRUE. |
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580 | */ |
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581 | gint gtk_widget_hide_on_delete (GtkWidget *widget); |
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582 | |
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583 | /* Widget styles. |
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584 | */ |
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585 | void gtk_widget_set_style (GtkWidget *widget, |
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586 | GtkStyle *style); |
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587 | void gtk_widget_set_rc_style (GtkWidget *widget); |
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588 | void gtk_widget_ensure_style (GtkWidget *widget); |
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589 | GtkStyle* gtk_widget_get_style (GtkWidget *widget); |
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590 | void gtk_widget_restore_default_style (GtkWidget *widget); |
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591 | |
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592 | void gtk_widget_modify_style (GtkWidget *widget, |
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593 | GtkRcStyle *style); |
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594 | |
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595 | /* handle composite names for GTK_COMPOSITE_CHILD widgets, |
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596 | * the returned name is newly allocated. |
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597 | */ |
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598 | void gtk_widget_set_composite_name (GtkWidget *widget, |
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599 | const gchar *name); |
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600 | gchar* gtk_widget_get_composite_name (GtkWidget *widget); |
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601 | |
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602 | /* Descend recursively and set rc-style on all widgets without user styles */ |
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603 | void gtk_widget_reset_rc_styles (GtkWidget *widget); |
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604 | |
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605 | /* Push/pop pairs, to change default values upon a widget's creation. |
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606 | * This will override the values that got set by the |
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607 | * gtk_widget_set_default_* () functions. |
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608 | */ |
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609 | void gtk_widget_push_style (GtkStyle *style); |
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610 | void gtk_widget_push_colormap (GdkColormap *cmap); |
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611 | void gtk_widget_push_visual (GdkVisual *visual); |
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612 | void gtk_widget_push_composite_child (void); |
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613 | void gtk_widget_pop_composite_child (void); |
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614 | void gtk_widget_pop_style (void); |
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615 | void gtk_widget_pop_colormap (void); |
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616 | void gtk_widget_pop_visual (void); |
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617 | |
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618 | /* Set certain default values to be used at widget creation time. |
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619 | */ |
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620 | void gtk_widget_set_default_style (GtkStyle *style); |
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621 | void gtk_widget_set_default_colormap (GdkColormap *colormap); |
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622 | void gtk_widget_set_default_visual (GdkVisual *visual); |
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623 | GtkStyle* gtk_widget_get_default_style (void); |
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624 | GdkColormap* gtk_widget_get_default_colormap (void); |
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625 | GdkVisual* gtk_widget_get_default_visual (void); |
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626 | |
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627 | /* Counterpart to gdk_window_shape_combine_mask. |
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628 | */ |
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629 | void gtk_widget_shape_combine_mask (GtkWidget *widget, |
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630 | GdkBitmap *shape_mask, |
---|
631 | gint offset_x, |
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632 | gint offset_y); |
---|
633 | |
---|
634 | /* internal function */ |
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635 | void gtk_widget_reset_shapes (GtkWidget *widget); |
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636 | |
---|
637 | /* Compute a widget's path in the form "GtkWindow.MyLabel", and |
---|
638 | * return newly alocated strings. |
---|
639 | */ |
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640 | void gtk_widget_path (GtkWidget *widget, |
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641 | guint *path_length, |
---|
642 | gchar **path, |
---|
643 | gchar **path_reversed); |
---|
644 | void gtk_widget_class_path (GtkWidget *widget, |
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645 | guint *path_length, |
---|
646 | gchar **path, |
---|
647 | gchar **path_reversed); |
---|
648 | |
---|
649 | #if defined (GTK_TRACE_OBJECTS) && defined (__GNUC__) |
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650 | # define gtk_widget_ref gtk_object_ref |
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651 | # define gtk_widget_unref gtk_object_unref |
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652 | #endif /* GTK_TRACE_OBJECTS && __GNUC__ */ |
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653 | |
---|
654 | |
---|
655 | |
---|
656 | #ifdef __cplusplus |
---|
657 | } |
---|
658 | #endif /* __cplusplus */ |
---|
659 | |
---|
660 | |
---|
661 | #endif /* __GTK_WIDGET_H__ */ |
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