gtk/gdk/linux-fb/gdkmain-fb.c
2000-06-20 20:20:38 +00:00

631 lines
14 KiB
C

/* GDK - The GIMP Drawing Kit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the GTK+ Team and others 1997-1999. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include "config.h"
#include <unistd.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/mman.h>
#include <sys/ioctl.h>
#include <ctype.h>
#include <stdio.h>
#include <time.h>
#include <stdlib.h>
#include "gdk.h"
#include "gdkprivate-fb.h"
#include "gdkinternals.h"
/* Private variable declarations
*/
static int gdk_initialized = 0; /* 1 if the library is initialized,
* 0 otherwise.
*/
#ifdef G_ENABLE_DEBUG
static const GDebugKey gdk_debug_keys[] = {
{"misc", GDK_DEBUG_MISC},
{"events", GDK_DEBUG_EVENTS},
};
static const int gdk_ndebug_keys = sizeof(gdk_debug_keys)/sizeof(GDebugKey);
#endif /* G_ENABLE_DEBUG */
GdkArgDesc _gdk_windowing_args[] = {
{ NULL }
};
static GdkFBDisplay *
gdk_fb_display_new(const char *filename)
{
int fd, n;
GdkFBDisplay *retval;
fd = open(filename, O_RDWR);
if(fd < 0)
return NULL;
retval = g_new0(GdkFBDisplay, 1);
retval->fd = fd;
n = ioctl(fd, FBIOGET_FSCREENINFO, &retval->sinfo);
n |= ioctl(fd, FBIOGET_VSCREENINFO, &retval->modeinfo);
g_assert(!n);
/* We used to use sinfo.smem_len, but that seemed to be broken in many cases */
retval->fbmem = mmap(NULL, retval->modeinfo.yres * retval->sinfo.line_length,
PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
g_assert(retval->fbmem != MAP_FAILED);
if(retval->sinfo.visual == FB_VISUAL_PSEUDOCOLOR)
{
guint16 red[256], green[256], blue[256];
struct fb_cmap cmap;
for(n = 0; n < 16; n++)
red[n] = green[n] = blue[n] = n << 12;
for(n = 16; n < 256; n++)
red[n] = green[n] = blue[n] = n << 8;
cmap.red = red; cmap.green = green; cmap.blue = blue; cmap.len = 256; cmap.start = 0;
ioctl(fd, FBIOPUTCMAP, &cmap);
}
if(retval->sinfo.visual == FB_VISUAL_TRUECOLOR)
{
retval->red_byte = retval->modeinfo.red.offset >> 3;
retval->green_byte = retval->modeinfo.green.offset >> 3;
retval->blue_byte = retval->modeinfo.blue.offset >> 3;
}
return retval;
}
static void
gdk_fb_display_destroy(GdkFBDisplay *fbd)
{
munmap(fbd->fbmem, fbd->modeinfo.yres * fbd->sinfo.line_length);
close(fbd->fd);
g_free(fbd);
}
extern void keyboard_init(void);
gboolean
_gdk_windowing_init_check (int argc, char **argv)
{
if(gdk_initialized)
return TRUE;
keyboard_init();
gdk_display = gdk_fb_display_new("/dev/fb");
if(!gdk_display)
return FALSE;
gdk_fb_font_init();
gdk_initialized = TRUE;
return TRUE;
}
/*
*--------------------------------------------------------------
* gdk_pointer_grab
*
* Grabs the pointer to a specific window
*
* Arguments:
* "window" is the window which will receive the grab
* "owner_events" specifies whether events will be reported as is,
* or relative to "window"
* "event_mask" masks only interesting events
* "confine_to" limits the cursor movement to the specified window
* "cursor" changes the cursor for the duration of the grab
* "time" specifies the time
*
* Results:
*
* Side effects:
* requires a corresponding call to gdk_pointer_ungrab
*
*--------------------------------------------------------------
*/
gint
gdk_pointer_grab (GdkWindow * window,
gint owner_events,
GdkEventMask event_mask,
GdkWindow * confine_to,
GdkCursor * cursor,
guint32 time)
{
g_return_val_if_fail (window != NULL, 0);
g_return_val_if_fail (GDK_IS_WINDOW (window), 0);
g_return_val_if_fail (confine_to == NULL || GDK_IS_WINDOW (confine_to), 0);
if(_gdk_fb_pointer_grab_window)
gdk_pointer_ungrab(time);
if(!owner_events)
_gdk_fb_pointer_grab_window = gdk_window_ref(window);
if(cursor)
gdk_fb_cursor_hide();
_gdk_fb_pointer_grab_confine = confine_to?gdk_window_ref(confine_to):NULL;
_gdk_fb_pointer_grab_events = event_mask;
_gdk_fb_pointer_grab_cursor = cursor?gdk_cursor_ref(cursor):NULL;
if(cursor)
gdk_fb_cursor_unhide();
return 0;
}
/*
*--------------------------------------------------------------
* gdk_pointer_ungrab
*
* Releases any pointer grab
*
* Arguments:
*
* Results:
*
* Side effects:
*
*--------------------------------------------------------------
*/
void
gdk_pointer_ungrab (guint32 time)
{
gboolean have_grab_cursor = _gdk_fb_pointer_grab_cursor && 1;
if(have_grab_cursor)
gdk_fb_cursor_hide();
if(_gdk_fb_pointer_grab_window)
gdk_window_unref(_gdk_fb_pointer_grab_window);
_gdk_fb_pointer_grab_window = NULL;
if(_gdk_fb_pointer_grab_confine)
gdk_window_unref(_gdk_fb_pointer_grab_confine);
_gdk_fb_pointer_grab_confine = NULL;
if(_gdk_fb_pointer_grab_cursor)
gdk_cursor_unref(_gdk_fb_pointer_grab_cursor);
_gdk_fb_pointer_grab_cursor = NULL;
if(have_grab_cursor)
gdk_fb_cursor_unhide();
}
/*
*--------------------------------------------------------------
* gdk_pointer_is_grabbed
*
* Tell wether there is an active x pointer grab in effect
*
* Arguments:
*
* Results:
*
* Side effects:
*
*--------------------------------------------------------------
*/
gint
gdk_pointer_is_grabbed (void)
{
return _gdk_fb_pointer_grab_window != NULL;
}
/*
*--------------------------------------------------------------
* gdk_keyboard_grab
*
* Grabs the keyboard to a specific window
*
* Arguments:
* "window" is the window which will receive the grab
* "owner_events" specifies whether events will be reported as is,
* or relative to "window"
* "time" specifies the time
*
* Results:
*
* Side effects:
* requires a corresponding call to gdk_keyboard_ungrab
*
*--------------------------------------------------------------
*/
gint
gdk_keyboard_grab (GdkWindow * window,
gint owner_events,
guint32 time)
{
g_return_val_if_fail (window != NULL, 0);
g_return_val_if_fail (GDK_IS_WINDOW (window), 0);
if(_gdk_fb_pointer_grab_window)
gdk_keyboard_ungrab(time);
if(!owner_events)
_gdk_fb_keyboard_grab_window = gdk_window_ref(window);
return 0;
}
/*
*--------------------------------------------------------------
* gdk_keyboard_ungrab
*
* Releases any keyboard grab
*
* Arguments:
*
* Results:
*
* Side effects:
*
*--------------------------------------------------------------
*/
void
gdk_keyboard_ungrab (guint32 time)
{
if(_gdk_fb_keyboard_grab_window)
gdk_window_unref(_gdk_fb_keyboard_grab_window);
_gdk_fb_keyboard_grab_window = NULL;
}
/*
*--------------------------------------------------------------
* gdk_screen_width
*
* Return the width of the screen.
*
* Arguments:
*
* Results:
*
* Side effects:
*
*--------------------------------------------------------------
*/
gint
gdk_screen_width (void)
{
return gdk_display->modeinfo.xres;
}
/*
*--------------------------------------------------------------
* gdk_screen_height
*
* Return the height of the screen.
*
* Arguments:
*
* Results:
*
* Side effects:
*
*--------------------------------------------------------------
*/
gint
gdk_screen_height (void)
{
return gdk_display->modeinfo.yres;
}
/*
*--------------------------------------------------------------
* gdk_screen_width_mm
*
* Return the width of the screen in millimeters.
*
* Arguments:
*
* Results:
*
* Side effects:
*
*--------------------------------------------------------------
*/
gint
gdk_screen_width_mm (void)
{
return 0.5 + gdk_screen_width () * (25.4 / 72.);
}
/*
*--------------------------------------------------------------
* gdk_screen_height
*
* Return the height of the screen in millimeters.
*
* Arguments:
*
* Results:
*
* Side effects:
*
*--------------------------------------------------------------
*/
gint
gdk_screen_height_mm (void)
{
return 0.5 + gdk_screen_height () * (25.4 / 72.);
}
/*
*--------------------------------------------------------------
* gdk_set_sm_client_id
*
* Set the SM_CLIENT_ID property on the WM_CLIENT_LEADER window
* so that the window manager can save our state using the
* X11R6 ICCCM session management protocol. A NULL value should
* be set following disconnection from the session manager to
* remove the SM_CLIENT_ID property.
*
* Arguments:
*
* "sm_client_id" specifies the client id assigned to us by the
* session manager or NULL to remove the property.
*
* Results:
*
* Side effects:
*
*--------------------------------------------------------------
*/
void
gdk_set_sm_client_id (const gchar* sm_client_id)
{
}
void
gdk_key_repeat_disable (void)
{
}
void
gdk_key_repeat_restore (void)
{
}
void
gdk_beep (void)
{
}
extern void keyboard_shutdown(void);
void
gdk_windowing_exit (void)
{
gdk_fb_display_destroy(gdk_display); gdk_display = NULL;
gdk_fb_font_fini();
keyboard_shutdown();
}
gchar*
gdk_keyval_name (guint keyval)
{
return NULL;
}
guint
gdk_keyval_from_name (const gchar *keyval_name)
{
return 0;
}
gchar *
gdk_get_display(void)
{
return g_strdup("/dev/fb0");
}
/* utils */
GdkEvent *
gdk_event_make(GdkWindow *window, GdkEventType type, gboolean append_to_queue)
{
static const guint type_masks[] = {
GDK_SUBSTRUCTURE_MASK, /* GDK_DELETE = 0, */
GDK_STRUCTURE_MASK, /* GDK_DESTROY = 1, */
GDK_EXPOSURE_MASK, /* GDK_EXPOSE = 2, */
GDK_POINTER_MOTION_MASK|GDK_BUTTON_MOTION_MASK, /* GDK_MOTION_NOTIFY = 3, */
GDK_BUTTON_PRESS_MASK, /* GDK_BUTTON_PRESS = 4, */
GDK_BUTTON_PRESS_MASK, /* GDK_2BUTTON_PRESS = 5, */
GDK_BUTTON_PRESS_MASK, /* GDK_3BUTTON_PRESS = 6, */
GDK_BUTTON_RELEASE_MASK, /* GDK_BUTTON_RELEASE = 7, */
GDK_KEY_PRESS_MASK, /* GDK_KEY_PRESS = 8, */
GDK_KEY_RELEASE_MASK, /* GDK_KEY_RELEASE = 9, */
GDK_ENTER_NOTIFY_MASK, /* GDK_ENTER_NOTIFY = 10, */
GDK_LEAVE_NOTIFY_MASK, /* GDK_LEAVE_NOTIFY = 11, */
GDK_FOCUS_CHANGE_MASK, /* GDK_FOCUS_CHANGE = 12, */
GDK_STRUCTURE_MASK, /* GDK_CONFIGURE = 13, */
GDK_VISIBILITY_NOTIFY_MASK, /* GDK_MAP = 14, */
GDK_VISIBILITY_NOTIFY_MASK, /* GDK_UNMAP = 15, */
GDK_PROPERTY_CHANGE_MASK, /* GDK_PROPERTY_NOTIFY = 16, */
GDK_PROPERTY_CHANGE_MASK, /* GDK_SELECTION_CLEAR = 17, */
GDK_PROPERTY_CHANGE_MASK, /* GDK_SELECTION_REQUEST = 18, */
GDK_PROPERTY_CHANGE_MASK, /* GDK_SELECTION_NOTIFY = 19, */
GDK_PROXIMITY_IN_MASK, /* GDK_PROXIMITY_IN = 20, */
GDK_PROXIMITY_OUT_MASK, /* GDK_PROXIMITY_OUT = 21, */
GDK_ALL_EVENTS_MASK, /* GDK_DRAG_ENTER = 22, */
GDK_ALL_EVENTS_MASK, /* GDK_DRAG_LEAVE = 23, */
GDK_ALL_EVENTS_MASK, /* GDK_DRAG_MOTION = 24, */
GDK_ALL_EVENTS_MASK, /* GDK_DRAG_STATUS = 25, */
GDK_ALL_EVENTS_MASK, /* GDK_DROP_START = 26, */
GDK_ALL_EVENTS_MASK, /* GDK_DROP_FINISHED = 27, */
GDK_ALL_EVENTS_MASK, /* GDK_CLIENT_EVENT = 28, */
GDK_VISIBILITY_NOTIFY_MASK, /* GDK_VISIBILITY_NOTIFY = 29, */
GDK_EXPOSURE_MASK, /* GDK_NO_EXPOSE = 30, */
GDK_SCROLL_MASK /* GDK_SCROLL = 31 */
};
if(GDK_WINDOW_FBDATA(window)->event_mask & type_masks[type])
{
GdkEvent *event = gdk_event_new();
guint32 the_time = g_latest_time.tv_sec;
event->any.type = type;
event->any.window = gdk_window_ref(window);
switch(type)
{
case GDK_MOTION_NOTIFY:
event->motion.time = the_time;
break;
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
case GDK_BUTTON_RELEASE:
event->button.time = the_time;
break;
case GDK_KEY_PRESS:
case GDK_KEY_RELEASE:
event->key.time = the_time;
break;
case GDK_ENTER_NOTIFY:
case GDK_LEAVE_NOTIFY:
event->crossing.time = the_time;
break;
case GDK_PROPERTY_NOTIFY:
event->property.time = the_time;
break;
case GDK_SELECTION_CLEAR:
case GDK_SELECTION_REQUEST:
case GDK_SELECTION_NOTIFY:
event->selection.time = the_time;
break;
case GDK_PROXIMITY_IN:
case GDK_PROXIMITY_OUT:
event->proximity.time = the_time;
break;
case GDK_DRAG_ENTER:
case GDK_DRAG_LEAVE:
case GDK_DRAG_MOTION:
case GDK_DRAG_STATUS:
case GDK_DROP_START:
case GDK_DROP_FINISHED:
event->dnd.time = the_time;
break;
case GDK_FOCUS_CHANGE:
case GDK_CONFIGURE:
case GDK_MAP:
case GDK_UNMAP:
case GDK_CLIENT_EVENT:
case GDK_VISIBILITY_NOTIFY:
case GDK_NO_EXPOSE:
case GDK_SCROLL:
case GDK_DELETE:
case GDK_DESTROY:
case GDK_EXPOSE:
default:
break;
}
if(append_to_queue)
gdk_event_queue_append(event);
return event;
}
return NULL;
}
void CM(void)
{
static gpointer mymem = NULL;
gpointer arry[256];
int i;
free(mymem);
for(i = 0; i < sizeof(arry)/sizeof(arry[0]); i++)
arry[i] = malloc(i+1);
for(i = 0; i < sizeof(arry)/sizeof(arry[0]); i++)
free(arry[i]);
mymem = malloc(256);
}
/* XXX badhack */
typedef struct _GdkWindowPaint GdkWindowPaint;
struct _GdkWindowPaint
{
GdkRegion *region;
GdkPixmap *pixmap;
gint x_offset;
gint y_offset;
};
void RP(GdkDrawable *d)
{
#if 0
if(GDK_DRAWABLE_TYPE(d) == GDK_DRAWABLE_PIXMAP)
{
if(!GDK_PIXMAP_FBDATA(d)->no_free_mem)
{
guchar *oldmem = GDK_DRAWABLE_FBDATA(d)->mem;
guint len = ((GDK_DRAWABLE_P(d)->width * GDK_DRAWABLE_P(d)->depth + 7) / 8) * GDK_DRAWABLE_P(d)->height;
GDK_DRAWABLE_FBDATA(d)->mem = g_malloc(len);
memcpy(GDK_DRAWABLE_FBDATA(d)->mem, oldmem, len);
g_free(oldmem);
}
}
else
{
GSList *priv = GDK_WINDOW_P(d)->paint_stack;
for(; priv; priv = priv->next)
{
GdkWindowPaint *p = priv->data;
RP(p->pixmap);
}
}
#endif
}