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7e668edf20
2008-12-15 Alexander Larsson <alexl@redhat.com>
* Makefile.am:
* acconfig.h:
* configure.in:
* eel/
* libnautilus-private/Makefile.am:
Import eel into nautilus.
svn path=/trunk/; revision=14815
164 lines
7.4 KiB
C
164 lines
7.4 KiB
C
/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
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/* eel-gdk-extensions.h: Graphics routines to augment what's in gdk.
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Copyright (C) 1999, 2000 Eazel, Inc.
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The Gnome Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The Gnome 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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the Gnome Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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Authors: Darin Adler <darin@eazel.com>,
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Ramiro Estrugo <ramiro@eazel.com>
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*/
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#ifndef EEL_GDK_EXTENSIONS_H
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#define EEL_GDK_EXTENSIONS_H
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#include <gdk/gdk.h>
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#define EEL_RGB_COLOR_RED 0xFF0000
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#define EEL_RGB_COLOR_GREEN 0x00FF00
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#define EEL_RGB_COLOR_BLUE 0x0000FF
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#define EEL_RGB_COLOR_WHITE 0xFFFFFF
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#define EEL_RGB_COLOR_BLACK 0x000000
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#define EEL_RGBA_COLOR_OPAQUE_RED 0xFFFF0000
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#define EEL_RGBA_COLOR_OPAQUE_GREEN 0xFF00FF00
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#define EEL_RGBA_COLOR_OPAQUE_BLUE 0xFF0000FF
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#define EEL_RGBA_COLOR_OPAQUE_WHITE 0xFFFFFFFF
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#define EEL_RGBA_COLOR_OPAQUE_BLACK 0xFF000000
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/* Pack RGBA values into 32 bits */
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#define EEL_RGBA_COLOR_PACK(r, g, b, a) \
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( (((guint32)a) << 24) | \
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(((guint32)r) << 16) | \
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(((guint32)g) << 8) | \
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(((guint32)b) << 0) )
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/* Pack opaque RGBA values into 32 bits */
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#define EEL_RGB_COLOR_PACK(r, g, b) \
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EEL_RGBA_COLOR_PACK((r), (g), (b), 0xFF)
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/* Access the individual RGBA components */
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#define EEL_RGBA_COLOR_GET_R(color) (((color) >> 16) & 0xff)
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#define EEL_RGBA_COLOR_GET_G(color) (((color) >> 8) & 0xff)
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#define EEL_RGBA_COLOR_GET_B(color) (((color) >> 0) & 0xff)
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#define EEL_RGBA_COLOR_GET_A(color) (((color) >> 24) & 0xff)
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/* Bits returned by eel_gdk_parse_geometry */
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typedef enum {
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EEL_GDK_NO_VALUE = 0x00,
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EEL_GDK_X_VALUE = 0x01,
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EEL_GDK_Y_VALUE = 0x02,
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EEL_GDK_WIDTH_VALUE = 0x04,
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EEL_GDK_HEIGHT_VALUE = 0x08,
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EEL_GDK_ALL_VALUES = 0x0f,
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EEL_GDK_X_NEGATIVE = 0x10,
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EEL_GDK_Y_NEGATIVE = 0x20
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} EelGdkGeometryFlags;
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/* A gradient spec. is a string that contains a specifier for either a
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color or a gradient. If the string has a "-" in it, then it's a gradient.
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The gradient is vertical by default and the spec. can end with ":v" to indicate that.
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If the gradient ends with ":h", the gradient is horizontal.
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*/
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char * eel_gradient_new (const char *start_color,
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const char *end_color,
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gboolean is_horizontal);
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char * eel_gradient_parse_one_color_spec (const char *spec,
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int *percent,
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const char **next_spec);
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gboolean eel_gradient_is_gradient (const char *gradient_spec);
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char * eel_gradient_get_start_color_spec (const char *gradient_spec);
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char * eel_gradient_get_end_color_spec (const char *gradient_spec);
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gboolean eel_gradient_is_horizontal (const char *gradient_spec);
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char * eel_gradient_set_left_color_spec (const char *gradient_spec,
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const char *left_color);
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char * eel_gradient_set_top_color_spec (const char *gradient_spec,
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const char *top_color);
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char * eel_gradient_set_right_color_spec (const char *gradient_spec,
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const char *right_color);
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char * eel_gradient_set_bottom_color_spec (const char *gradient_spec,
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const char *bottom_color);
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/* A version of parse_color that substitutes a default color instead of returning
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a boolean to indicate it cannot be parsed.
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*/
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void eel_gdk_color_parse_with_default (const char *color_spec,
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const GdkColor *default_color,
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GdkColor *parsed_color);
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void eel_gdk_color_parse_with_white_default (const char *color_spec,
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GdkColor *parsed_color);
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guint32 eel_parse_rgb_with_default (const char *color_spec,
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guint32 default_rgb);
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guint32 eel_parse_rgb_with_white_default (const char *color_spec);
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guint32 eel_rgb_shift_color (guint32 color,
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float shift_by);
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guint32 eel_rgb16_to_rgb (gushort r,
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gushort g,
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gushort b);
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guint32 eel_rgb8_to_rgb (guchar r,
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guchar g,
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guchar b);
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guint32 eel_gdk_color_to_rgb (const GdkColor *color);
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GdkColor eel_gdk_rgb_to_color (guint32 color);
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char * eel_gdk_rgb_to_color_spec (guint32 color);
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gboolean eel_gdk_color_is_dark (GdkColor *color);
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/* A routine to get a 50% gray stippled bitmap for use in some types of highlighting. */
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GdkBitmap * eel_stipple_bitmap_for_screen (GdkScreen *screen);
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GdkBitmap * eel_stipple_bitmap (void);
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/* Misc GdkRectangle helper functions */
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gboolean eel_gdk_rectangle_contains_rectangle (GdkRectangle outer,
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GdkRectangle inner);
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/* A basic operation we use for drawing gradients is interpolating two colors.*/
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guint32 eel_interpolate_color (gdouble ratio,
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guint32 start_rgb,
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guint32 end_rgb);
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/* Misc GdkWindow helper functions */
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void eel_gdk_window_bring_to_front (GdkWindow *window);
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void eel_gdk_window_set_invisible_cursor (GdkWindow *window);
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void eel_gdk_window_focus (GdkWindow *window,
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guint32 timestamp);
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void eel_gdk_window_set_wm_protocols (GdkWindow *window,
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GdkAtom *protocols,
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int nprotocols);
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void eel_gdk_window_set_wm_hints_input (GdkWindow *w,
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gboolean status);
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/* Wrapper for XParseGeometry */
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EelGdkGeometryFlags eel_gdk_parse_geometry (const char *string,
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int *x_return,
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int *y_return,
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guint *width_return,
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guint *height_return);
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void eel_gdk_draw_layout_with_drop_shadow (GdkDrawable *drawable,
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GdkGC *gc,
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GdkColor *text_color,
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GdkColor *shadow_color,
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int x,
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int y,
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PangoLayout *layout);
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#endif /* EEL_GDK_EXTENSIONS_H */
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