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369 lines
12 KiB
C
369 lines
12 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#if !defined (__GDK_H_INSIDE__) && !defined (GDK_COMPILATION)
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#error "Only <gdk/gdk.h> can be included directly."
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#endif
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#ifndef __GDK_TYPES_H__
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#define __GDK_TYPES_H__
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/* GDK uses "glib". (And so does GTK).
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*/
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#include <glib.h>
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#include <pango/pango.h>
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#include <glib-object.h>
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#include <cairo.h>
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/* The system specific file gdkconfig.h contains such configuration
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* settings that are needed not only when compiling GDK (or GTK)
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* itself, but also occasionally when compiling programs that use GDK
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* (or GTK). One such setting is what windowing API backend is in use.
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*/
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#include <gdkconfig.h>
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/* some common magic values */
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/**
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* GDK_CURRENT_TIME:
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*
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* Represents the current time, and can be used anywhere a time is expected.
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*/
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#define GDK_CURRENT_TIME 0L
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/**
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* GDK_PARENT_RELATIVE:
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*
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* A special value, indicating that the background
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* for a window should be inherited from the parent window.
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*/
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#define GDK_PARENT_RELATIVE 1L
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G_BEGIN_DECLS
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/* Type definitions for the basic structures.
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*/
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typedef struct _GdkPoint GdkPoint;
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/**
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* GdkRectangle:
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*
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* Defines the position and size of a rectangle. It is identical to
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* #cairo_rectangle_int_t.
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*/
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typedef cairo_rectangle_int_t GdkRectangle;
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/**
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* GdkAtom:
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*
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* An opaque type representing a string as an index into a table
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* of strings on the X server.
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*/
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typedef struct _GdkAtom *GdkAtom;
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/**
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* GDK_ATOM_TO_POINTER:
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* @atom: a #GdkAtom.
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*
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* Converts a #GdkAtom into a pointer type.
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*/
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#define GDK_ATOM_TO_POINTER(atom) (atom)
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/**
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* GDK_POINTER_TO_ATOM:
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* @ptr: a pointer containing a #GdkAtom.
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*
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* Extracts a #GdkAtom from a pointer. The #GdkAtom must have been
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* stored in the pointer with GDK_ATOM_TO_POINTER().
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*/
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#define GDK_POINTER_TO_ATOM(ptr) ((GdkAtom)(ptr))
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#ifdef GDK_NATIVE_WINDOW_POINTER
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#define GDK_GPOINTER_TO_NATIVE_WINDOW(p) ((GdkNativeWindow) (p))
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#else
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#define GDK_GPOINTER_TO_NATIVE_WINDOW(p) GPOINTER_TO_UINT(p)
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#endif
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#define _GDK_MAKE_ATOM(val) ((GdkAtom)GUINT_TO_POINTER(val))
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/**
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* GDK_NONE:
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*
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* A null value for #GdkAtom, used in a similar way as
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* <literal>None</literal> in the Xlib API.
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*/
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#define GDK_NONE _GDK_MAKE_ATOM (0)
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/**
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* GdkNativeWindow:
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*
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* Used to represent native windows (<type>Window</type>s for the X11
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* backend, <type>HWND</type>s for Win32).
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*/
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#ifdef GDK_NATIVE_WINDOW_POINTER
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typedef gpointer GdkNativeWindow;
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#else
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typedef guint32 GdkNativeWindow;
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#endif
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/* Forward declarations of commonly used types
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*/
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typedef struct _GdkColor GdkColor;
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typedef struct _GdkRGBA GdkRGBA;
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typedef struct _GdkCursor GdkCursor;
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typedef struct _GdkVisual GdkVisual;
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/**
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* GdkWindow:
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*
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* An opaque structure representing an onscreen drawable.
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*/
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typedef struct _GdkWindow GdkWindow;
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typedef struct _GdkDisplay GdkDisplay;
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typedef struct _GdkScreen GdkScreen;
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/**
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* GdkByteOrder:
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* @GDK_LSB_FIRST: The values are stored with the least-significant byte
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* first. For instance, the 32-bit value 0xffeecc would be stored
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* in memory as 0xcc, 0xee, 0xff, 0x00.
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* @GDK_MSB_FIRST: The values are stored with the most-significant byte
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* first. For instance, the 32-bit value 0xffeecc would be stored
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* in memory as 0x00, 0xcc, 0xee, 0xff.
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*
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* A set of values describing the possible byte-orders
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* for storing pixel values in memory.
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*/
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typedef enum
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{
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GDK_LSB_FIRST,
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GDK_MSB_FIRST
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} GdkByteOrder;
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/* Types of modifiers.
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*/
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/**
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* GdkModifierType:
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* @GDK_SHIFT_MASK: the Shift key.
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* @GDK_LOCK_MASK: a Lock key (depending on the modifier mapping of the
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* X server this may either be CapsLock or ShiftLock).
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* @GDK_CONTROL_MASK: the Control key.
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* @GDK_MOD1_MASK: the fourth modifier key (it depends on the modifier
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* mapping of the X server which key is interpreted as this modifier, but
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* normally it is the Alt key).
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* @GDK_MOD2_MASK: the fifth modifier key (it depends on the modifier
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* mapping of the X server which key is interpreted as this modifier).
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* @GDK_MOD3_MASK: the sixth modifier key (it depends on the modifier
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* mapping of the X server which key is interpreted as this modifier).
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* @GDK_MOD4_MASK: the seventh modifier key (it depends on the modifier
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* mapping of the X server which key is interpreted as this modifier).
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* @GDK_MOD5_MASK: the eighth modifier key (it depends on the modifier
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* mapping of the X server which key is interpreted as this modifier).
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* @GDK_BUTTON1_MASK: the first mouse button.
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* @GDK_BUTTON2_MASK: the second mouse button.
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* @GDK_BUTTON3_MASK: the third mouse button.
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* @GDK_BUTTON4_MASK: the fourth mouse button.
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* @GDK_BUTTON5_MASK: the fifth mouse button.
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* @GDK_SUPER_MASK: the Super modifier. Since 2.10
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* @GDK_HYPER_MASK: the Hyper modifier. Since 2.10
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* @GDK_META_MASK: the Meta modifier. Since 2.10
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* @GDK_RELEASE_MASK: not used in GDK itself. GTK+ uses it to differentiate
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* between (keyval, modifiers) pairs from key press and release events.
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* @GDK_MODIFIER_MASK: a mask covering all modifier types.
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*
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* A set of bit-flags to indicate the state of modifier keys and mouse buttons
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* in various event types. Typical modifier keys are Shift, Control, Meta,
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* Super, Hyper, Alt, Compose, Apple, CapsLock or ShiftLock.
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*
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* Like the X Window System, GDK supports 8 modifier keys and 5 mouse buttons.
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*
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* Since 2.10, GDK recognizes which of the Meta, Super or Hyper keys are mapped
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* to Mod2 - Mod5, and indicates this by setting %GDK_SUPER_MASK,
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* %GDK_HYPER_MASK or %GDK_META_MASK in the state field of key events.
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*/
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typedef enum
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{
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GDK_SHIFT_MASK = 1 << 0,
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GDK_LOCK_MASK = 1 << 1,
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GDK_CONTROL_MASK = 1 << 2,
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GDK_MOD1_MASK = 1 << 3,
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GDK_MOD2_MASK = 1 << 4,
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GDK_MOD3_MASK = 1 << 5,
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GDK_MOD4_MASK = 1 << 6,
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GDK_MOD5_MASK = 1 << 7,
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GDK_BUTTON1_MASK = 1 << 8,
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GDK_BUTTON2_MASK = 1 << 9,
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GDK_BUTTON3_MASK = 1 << 10,
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GDK_BUTTON4_MASK = 1 << 11,
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GDK_BUTTON5_MASK = 1 << 12,
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/* The next few modifiers are used by XKB, so we skip to the end.
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* Bits 15 - 25 are currently unused. Bit 29 is used internally.
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*/
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GDK_SUPER_MASK = 1 << 26,
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GDK_HYPER_MASK = 1 << 27,
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GDK_META_MASK = 1 << 28,
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GDK_RELEASE_MASK = 1 << 30,
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GDK_MODIFIER_MASK = 0x5c001fff
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} GdkModifierType;
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typedef enum
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{
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GDK_OK = 0,
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GDK_ERROR = -1,
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GDK_ERROR_PARAM = -2,
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GDK_ERROR_FILE = -3,
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GDK_ERROR_MEM = -4
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} GdkStatus;
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/**
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* GdkGrabStatus:
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* @GDK_GRAB_SUCCESS: the resource was successfully grabbed.
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* @GDK_GRAB_ALREADY_GRABBED: the resource is actively grabbed by another client.
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* @GDK_GRAB_INVALID_TIME: the resource was grabbed more recently than the
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* specified time.
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* @GDK_GRAB_NOT_VIEWABLE: the grab window or the @confine_to window are not
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* viewable.
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* @GDK_GRAB_FROZEN: the resource is frozen by an active grab of another client.
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*
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* Returned by gdk_pointer_grab() and gdk_keyboard_grab() to indicate
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* success or the reason for the failure of the grab attempt.
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*/
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typedef enum
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{
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GDK_GRAB_SUCCESS = 0,
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GDK_GRAB_ALREADY_GRABBED = 1,
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GDK_GRAB_INVALID_TIME = 2,
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GDK_GRAB_NOT_VIEWABLE = 3,
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GDK_GRAB_FROZEN = 4
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} GdkGrabStatus;
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/**
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* GdkGrabOwnership:
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* @GDK_OWNERSHIP_NONE: All other devices' events are allowed.
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* @GDK_OWNERSHIP_WINDOW: Other devices' events are blocked for the grab window.
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* @GDK_OWNERSHIP_APPLICATION: Other devices' events are blocked for the whole application.
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*
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* Defines how device grabs interact with other devices.
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*/
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typedef enum
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{
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GDK_OWNERSHIP_NONE,
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GDK_OWNERSHIP_WINDOW,
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GDK_OWNERSHIP_APPLICATION
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} GdkGrabOwnership;
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/**
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* GdkEventMask:
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* @GDK_EXPOSURE_MASK: receive expose events
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* @GDK_POINTER_MOTION_MASK: receive all pointer motion events
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* @GDK_POINTER_MOTION_HINT_MASK: see the explanation above
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* @GDK_BUTTON_MOTION_MASK: receive pointer motion events while any button is pressed
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* @GDK_BUTTON1_MOTION_MASK: receive pointer motion events while 1 button is pressed
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* @GDK_BUTTON2_MOTION_MASK: receive pointer motion events while 2 button is pressed
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* @GDK_BUTTON3_MOTION_MASK: receive pointer motion events while 3 button is pressed
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* @GDK_BUTTON_PRESS_MASK: receive button press events
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* @GDK_BUTTON_RELEASE_MASK: receive button release events
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* @GDK_KEY_PRESS_MASK: receive key press events
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* @GDK_KEY_RELEASE_MASK: receive key release events
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* @GDK_ENTER_NOTIFY_MASK: receive window enter events
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* @GDK_LEAVE_NOTIFY_MASK: receive window leave events
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* @GDK_FOCUS_CHANGE_MASK: receive focus change events
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* @GDK_STRUCTURE_MASK: receive events about window configuration change
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* @GDK_PROPERTY_CHANGE_MASK: receive property change events
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* @GDK_VISIBILITY_NOTIFY_MASK: receive visibility change events
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* @GDK_PROXIMITY_IN_MASK: receive proximity in events
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* @GDK_PROXIMITY_OUT_MASK: receive proximity out events
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* @GDK_SUBSTRUCTURE_MASK: receive events about window configuration changes of
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* child windows
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* @GDK_SCROLL_MASK: receive scroll events
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* @GDK_ALL_EVENTS_MASK: the combination of all the above event masks.
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*
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* A set of bit-flags to indicate which events a window is to receive.
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* Most of these masks map onto one or more of the #GdkEventType event types
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* above.
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*
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* %GDK_POINTER_MOTION_HINT_MASK is a special mask which is used to reduce the
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* number of %GDK_MOTION_NOTIFY events received. Normally a %GDK_MOTION_NOTIFY
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* event is received each time the mouse moves. However, if the application
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* spends a lot of time processing the event (updating the display, for example),
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* it can lag behind the position of the mouse. When using
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* %GDK_POINTER_MOTION_HINT_MASK, fewer %GDK_MOTION_NOTIFY events will be sent,
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* some of which are marked as a hint (the is_hint member is %TRUE).
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* To receive more motion events after a motion hint event, the application
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* needs to asks for more, by calling gdk_event_request_motions().
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*/
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typedef enum
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{
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GDK_EXPOSURE_MASK = 1 << 1,
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GDK_POINTER_MOTION_MASK = 1 << 2,
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GDK_POINTER_MOTION_HINT_MASK = 1 << 3,
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GDK_BUTTON_MOTION_MASK = 1 << 4,
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GDK_BUTTON1_MOTION_MASK = 1 << 5,
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GDK_BUTTON2_MOTION_MASK = 1 << 6,
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GDK_BUTTON3_MOTION_MASK = 1 << 7,
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GDK_BUTTON_PRESS_MASK = 1 << 8,
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GDK_BUTTON_RELEASE_MASK = 1 << 9,
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GDK_KEY_PRESS_MASK = 1 << 10,
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GDK_KEY_RELEASE_MASK = 1 << 11,
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GDK_ENTER_NOTIFY_MASK = 1 << 12,
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GDK_LEAVE_NOTIFY_MASK = 1 << 13,
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GDK_FOCUS_CHANGE_MASK = 1 << 14,
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GDK_STRUCTURE_MASK = 1 << 15,
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GDK_PROPERTY_CHANGE_MASK = 1 << 16,
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GDK_VISIBILITY_NOTIFY_MASK = 1 << 17,
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GDK_PROXIMITY_IN_MASK = 1 << 18,
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GDK_PROXIMITY_OUT_MASK = 1 << 19,
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GDK_SUBSTRUCTURE_MASK = 1 << 20,
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GDK_SCROLL_MASK = 1 << 21,
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GDK_ALL_EVENTS_MASK = 0x3FFFFE
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} GdkEventMask;
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/**
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* GdkPoint:
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* @x: the x coordinate of the point.
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* @y: the y coordinate of the point.
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*
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* Defines the x and y coordinates of a point.
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*/
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struct _GdkPoint
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{
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gint x;
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gint y;
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};
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G_END_DECLS
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#endif /* __GDK_TYPES_H__ */
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