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/* *************************************************************************
Module: lexhand.c
Author: Matt Simpson
Arlington, TX
matthewsimpson@home.com
Date: August, 2000
Description:
Eric Harlow's code from his book,
used to create a hand cursor. Also
contains Harlow's CreateWidgetFromXpm
for the icons used in pup.
Changes:
****************************************************************************
COPYRIGHT (C) 1999, 2000 Matt Simpson
GNU General Public License
See lexgui.c for full notice.
****************************************************************************
The portions of this file extracted from
Eric Harlow's cursors.c from the book
"Developing Linux Applications with GTK+ and GDK",
ISBN 0-7357-0021-4
COPYRIGHT (c) 1999 New Riders Publishing
This statement appears on the copyright page:
"All of the code examples included in this book
are distributed under the terms of the General
Public License."
**************************************************************************** */
#include <gtk/gtk.h>
#include <stdio.h>
#include "lexgui.h"
/* -------------------------------------------------------------------------
create_bitmap_and_mask_from_xpm()
------------------------------------------------------------------------- */
void create_bitmap_and_mask_from_xpm (GdkBitmap **bitmap,
GdkBitmap **mask, gchar **xpm)
{
int height, width, colors;
char pixmap_buffer [(32 * 32)/8];
char mask_buffer [(32 * 32)/8];
int x, y, pix;
int transparent_color, black_color;
sscanf (xpm [0], "%d %d %d %d", &height, &width, &colors, &pix);
g_assert (height == 32);
g_assert (width == 32);
g_assert (colors == 3);
transparent_color = ' ';
black_color = '.';
for (y = 0; y < 32; y++){
for (x = 0; x < 32;){
char value = 0, maskv = 0;
for (pix = 0; pix < 8; pix++, x++){
if (xpm [4+y][x] != transparent_color){
maskv |= 1 << pix;
if (xpm [4+y][x] != black_color){
value |= 1 << pix;
}
}
}
pixmap_buffer [(y * 4 + x/8)-1] = value;
mask_buffer [(y * 4 + x/8)-1] = maskv;
}
}
*bitmap = gdk_bitmap_create_from_data (NULL, pixmap_buffer, 32, 32);
*mask = gdk_bitmap_create_from_data (NULL, mask_buffer, 32, 32);
}
/* -------------------------------------------------------------------------
create_hand_cursor()
------------------------------------------------------------------------- */
GdkCursor* create_hand_cursor(void)
{
static char * cursor_hand[] = {
"32 32 3 1",
" c None",
". c #000000",
"+ c #FFFFFF",
" ",
" ",
" ... ",
" .+++. ... ",
" .+++. .+++. ... ",
" ... .+++. .+++. .+++. ",
" .+++. .+++. .+++. .+++. ",
" .+++. .+++. .+++. .+++. ",
" .+++. .+++. .+++. .+++. ",
" .+++. .+++..+++. .+++. ",
" .+++..+++..+++. .+++. ",
" .+++.+++..+++..+++. ",
" ... .++++++++++++++++. ",
" .+++. .+++++++++++++++. ",
" .++++..+++++++++++++++. ",
" ..+++++++++++++++++++. ",
" .++++++++++++++++++. ",
" .+++++++++++++++++. ",
" ..++++++++++++++. ",
" .++++++++++++. ",
" .++++++++++. ",
" .......... ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" "};
GdkColor white = {0, 0xffff, 0xffff, 0xffff};
GdkColor red = {0, 0xffff, 0x0000, 0x0000};
GdkBitmap *bitmap;
GdkBitmap *mask;
GdkCursor *cursor;
create_bitmap_and_mask_from_xpm (&bitmap, &mask, cursor_hand);
cursor = gdk_cursor_new_from_pixmap (bitmap, mask, &white, &red, 16, 8);
return(cursor);
}
/* -------------------------------------------------------------------------
create_hand_g_cursor() modified from above, to simulate grabbing
------------------------------------------------------------------------- */
GdkCursor* create_hand_g_cursor(void)
{
static char * cursor_handg[] = {
"32 32 3 1",
" c None",
". c #000000",
"+ c #FFFFFF",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ... ... ",
" .. .+++..+++. ... ",
" .++..+++..+++..+++. ",
" .++..+++..+++..+++. ",
" ..+++.+++..+++..+++. ",
" .++.++++++++++++++++. ",
" .+++.+++++++++++++++. ",
" .+++.+++++++++++++++. ",
" .+++++++++++++++++++. ",
" .++++++++++++++++++. ",
" .+++++++++++++++++. ",
" ..++++++++++++++. ",
" .++++++++++++. ",
" .++++++++++. ",
" .......... ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" "};
GdkColor white = {0, 0xffff, 0xffff, 0xffff};
GdkColor red = {0, 0xffff, 0x0000, 0x0000};
GdkBitmap *bitmap;
GdkBitmap *mask;
GdkCursor *cursor;
create_bitmap_and_mask_from_xpm (&bitmap, &mask, cursor_handg);
cursor = gdk_cursor_new_from_pixmap (bitmap, mask, &white, &red, 16, 8);
return(cursor);
}
/* -------------------------------------------------------------------------
create_thumb_cursor() modified from above, for a thumbs up cursor
------------------------------------------------------------------------- */
GdkCursor* create_thumb_cursor(void)
{
static char * thumb_xpm[] = {
/* width height ncolors chars_per_pixel */
"32 32 3 1",
/* colors */
" s None c None",
". c #000000",
"a c #ffffff",
/* pixels */
" ",
" ",
" ",
" ",
" .. ",
" .a.. ",
" .aaa. ",
" .aaa. ",
" .aaaa. ",
" .aaa.. ",
" .aaaa. ",
" .aaaa.. ",
" .aaaaa. ",
" .aaaaa........ ",
" ...... .aaaaa...aaaaa... ",
" .aaa....aaaaaa.aaaaaaaaaa. ",
" .aaa....aaaaaa.aaaaaaaaaa. ",
" .aaa.aaaaaaaaaaaaa....aaaa. ",
" .aaa.aaaaaaaaaaa...aaaaaaa. ",
" .aaa.aaaaaaaa.aa.aaaaaa.... ",
" .aaa.aaaaaaaaaa........aaa. ",
" .aaa.aaaaaaa.a.aaaaaaaaaaa. ",
" .aaa.aaaaaa.aa.aaaaaaaaa... ",
" .aaa.aaaaaaaaa.aaaaaa...... ",
" .aaa.aaaaaaaaaaa.....aaaa.. ",
" .aaa.aaaaaaaaaaa.aaaaaa... ",
" .aaa.aaaaaaaaaaaa......a. ",
" .aaa...aaaaaaaaaa.aaaaa.. ",
" .aaa....aaaaaaaaa....... ",
" ...... ............... ",
" ",
" "};
GdkColor white = {0, 0xffff, 0xffff, 0xffff};
GdkColor black = {0, 0x0000, 0x0000, 0x0000};
GdkBitmap *bitmap;
GdkBitmap *mask;
GdkCursor *cursor;
create_bitmap_and_mask_from_xpm (&bitmap, &mask, thumb_xpm);
cursor = gdk_cursor_new_from_pixmap (bitmap, mask, &white, &black, 16, 8);
return(cursor);
}
/* -------------------------------------------------------------------------
CreateWidgetFromXpm() Returns a pixmap widget from an xpm
------------------------------------------------------------------------- */
GtkWidget *CreateWidgetFromXpm (GtkWidget *window, gchar **xpm_data)
{
GdkBitmap *mask;
GdkPixmap *pixmap_data;
GtkWidget *pixmap_widget;
GtkStyle *style;
style = gtk_widget_get_style(window);
pixmap_data = gdk_pixmap_create_from_xpm_d (
window->window,
&mask,
&style->bg[GTK_STATE_NORMAL],
(gchar **) xpm_data);
pixmap_widget = gtk_pixmap_new (pixmap_data, mask);
gtk_widget_show (pixmap_widget);
return (pixmap_widget);
}
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