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/*
===========================================================================
Copyright (C) 1997-2001 Id Software, Inc.
This file is part of Quake 2 source code.
Quake 2 source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
Quake 2 source code 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with Quake 2 source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
/*
** GL_GLX.C
**
** This file contains ALL Linux specific stuff having to do with the
** OpenGL refresh. When a port is being made the following functions
** must be implemented by the port:
**
** GLimp_EndFrame
** GLimp_Init
** GLimp_Shutdown
** GLimp_SwitchFullscreen
**
*/
#include <termios.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#ifdef __linux__
#include <sys/vt.h>
#endif
#include <stdarg.h>
#include <stdio.h>
#include <signal.h>
#include <unistd.h>
#include <dlfcn.h>
#include "../renderer/r_local.h"
#include "../ui/ui_local.h"
#include "../client/keys.h"
#include "glw_unix.h"
#include <GL/glx.h>
#include <X11/Xlib.h>
#include <X11/Xatom.h>
#include <X11/keysym.h>
#include <X11/cursorfont.h>
#include <X11/extensions/xf86dga.h>
#include <X11/extensions/xf86vmode.h>
glwstate_t glw_state;
static Display *dpy = NULL;
static int scrnum;
static Window win;
static GLXContext ctx = NULL;
static Atom wmDeleteWindow;
#define KEY_MASK (KeyPressMask | KeyReleaseMask)
#define MOUSE_MASK (ButtonPressMask | ButtonReleaseMask | \
PointerMotionMask | ButtonMotionMask )
#define X_MASK (KEY_MASK | MOUSE_MASK | VisibilityChangeMask | StructureNotifyMask )
/*****************************************************************************/
/* MOUSE */
/*****************************************************************************/
// this is inside the renderer shared lib, so these are called from vid_so
int mx, my;
static int old_mouse_x, old_mouse_y;
int p_mouse_x, p_mouse_y;
static int win_x, win_y;
//static cvar_t *m_filter;
//static cvar_t *in_mouse;
extern cvar_t *in_dgamouse;
extern cvar_t *in_menumouse; /// FIXME Menu Mouse on windowed mode
static cvar_t *r_fakeFullscreen;
static XF86VidModeModeInfo **vidmodes;
static int num_vidmodes;
static qboolean vidmode_active = false;
static XF86VidModeGamma oldgamma;
qboolean mouse_active = false;
qboolean dgamouse = false;
qboolean vidmode_ext = false;
static Time myxtime;
//extern cursor_t cursor;
qboolean have_stencil = false; // Knightmare 12/24/2001- stencil shadows
static Cursor CreateNullCursor (Display *display, Window root)
{
Pixmap cursormask;
XGCValues xgc;
GC gc;
XColor dummycolour;
Cursor cursor;
cursormask = XCreatePixmap(display, root, 1, 1, 1/*depth*/);
xgc.function = GXclear;
gc = XCreateGC(display, cursormask, GCFunction, &xgc);
XFillRectangle(display, cursormask, gc, 0, 0, 1, 1);
dummycolour.pixel = 0;
dummycolour.red = 0;
dummycolour.flags = 04;
cursor = XCreatePixmapCursor(display, cursormask, cursormask,
&dummycolour,&dummycolour, 0,0);
XFreePixmap(display,cursormask);
XFreeGC(display,gc);
return cursor;
}
void install_grabs (void)
{
// inviso cursor
XDefineCursor(dpy, win, CreateNullCursor(dpy, win));
XGrabPointer(dpy, win,
True,
0,
GrabModeAsync, GrabModeAsync,
win,
None,
CurrentTime);
if (in_dgamouse->value) {
int MajorVersion, MinorVersion;
if (!XF86DGAQueryVersion(dpy, &MajorVersion, &MinorVersion)) {
dgamouse = false;
// unable to query, probalby not supported
Com_Printf( "Failed to detect XF86DGA Mouse\n" );
Cvar_Set( "in_dgamouse", "0" );
} else {
dgamouse = true;
XF86DGADirectVideo(dpy, DefaultScreen(dpy), XF86DGADirectMouse);
XWarpPointer(dpy, None, win, 0, 0, 0, 0, 0, 0);
}
} else {
p_mouse_x = vid.width / 2;
p_mouse_y = vid.height / 2;
XWarpPointer (dpy, None, win, 0, 0, 0, 0, p_mouse_x, p_mouse_y);
}
XGrabKeyboard(dpy, win,
False,
GrabModeAsync, GrabModeAsync,
CurrentTime);
mx = 0;
my = 0;
old_mouse_x = 0;
old_mouse_y = 0;
mouse_active = true;
}
void uninstall_grabs (void)
{
if (!dpy || !win)
return;
if (dgamouse) {
dgamouse = false;
XF86DGADirectVideo(dpy, DefaultScreen(dpy), 0);
}
XUngrabPointer(dpy, CurrentTime);
XUngrabKeyboard(dpy, CurrentTime);
// inviso cursor
XUndefineCursor(dpy, win);
mouse_active = false;
}
void IN_DeactivateMouse (void)
{
if (!dpy || !win)
return;
if (mouse_active) {
uninstall_grabs();
mouse_active = false;
}
}
static void IN_ActivateMouse (void)
{
if (!dpy || !win)
return;
if (!mouse_active) {
mx = my = 0; // don't spazz
install_grabs();
mouse_active = true;
}
}
void IN_Activate (qboolean active)
{
if (active || vidmode_active)
IN_ActivateMouse ();
else if (!in_menumouse->value)
IN_DeactivateMouse ();
}
/*****************************************************************************/
/* KEYBOARD */
/*****************************************************************************/
static int XLateKey (XKeyEvent *ev)
{
int key;
char buf[64];
KeySym keysym;
key = 0;
XLookupString(ev, buf, sizeof buf, &keysym, 0);
switch(keysym)
{
case XK_KP_Page_Up: key = K_KP_PGUP; break;
case XK_Page_Up: key = K_PGUP; break;
case XK_KP_Page_Down: key = K_KP_PGDN; break;
case XK_Page_Down: key = K_PGDN; break;
case XK_KP_Home: key = K_KP_HOME; break;
case XK_Home: key = K_HOME; break;
case XK_KP_End: key = K_KP_END; break;
case XK_End: key = K_END; break;
case XK_KP_Left: key = K_KP_LEFTARROW; break;
case XK_Left: key = K_LEFTARROW; break;
case XK_KP_Right: key = K_KP_RIGHTARROW; break;
case XK_Right: key = K_RIGHTARROW; break;
case XK_KP_Down: key = K_KP_DOWNARROW; break;
case XK_Down: key = K_DOWNARROW; break;
case XK_KP_Up: key = K_KP_UPARROW; break;
case XK_Up: key = K_UPARROW; break;
case XK_Escape: key = K_ESCAPE; break;
case XK_KP_Enter: key = K_KP_ENTER; break;
case XK_Return: key = K_ENTER; break;
case XK_Tab: key = K_TAB; break;
case XK_F1: key = K_F1; break;
case XK_F2: key = K_F2; break;
case XK_F3: key = K_F3; break;
case XK_F4: key = K_F4; break;
case XK_F5: key = K_F5; break;
case XK_F6: key = K_F6; break;
case XK_F7: key = K_F7; break;
case XK_F8: key = K_F8; break;
case XK_F9: key = K_F9; break;
case XK_F10: key = K_F10; break;
case XK_F11: key = K_F11; break;
case XK_F12: key = K_F12; break;
case XK_BackSpace: key = K_BACKSPACE; break;
case XK_KP_Delete: key = K_KP_DEL; break;
case XK_Delete: key = K_DEL; break;
case XK_Pause: key = K_PAUSE; break;
case XK_Shift_L:
case XK_Shift_R: key = K_SHIFT; break;
case XK_Execute:
case XK_Control_L:
case XK_Control_R: key = K_CTRL; break;
case XK_Alt_L:
case XK_Meta_L:
case XK_Alt_R:
case XK_Meta_R: key = K_ALT; break;
case XK_KP_Begin: key = K_KP_5; break;
case XK_Insert:key = K_INS; break;
case XK_KP_Insert: key = K_KP_INS; break;
case XK_KP_Multiply: key = K_KP_MULT; break; // was '*'
case XK_KP_Add: key = K_KP_PLUS; break;
case XK_KP_Subtract: key = K_KP_MINUS; break;
case XK_KP_Divide: key = K_KP_SLASH; break;
default:
key = *(unsigned char*)buf;
if (key >= 'A' && key <= 'Z')
key = key - 'A' + 'a';
if (key >= 1 && key <= 26) /* ctrl+alpha */
key = key + 'a' - 1;
break;
}
return key;
}
void HandleEvents (void)
{
XEvent event;
qboolean dowarp = false;
int mwx = vid.width / 2;
int mwy = vid.height / 2;
int multiclicktime = 750;
int mouse_button;
if (!dpy)
return;
while (XPending(dpy))
{
XNextEvent (dpy, &event);
if(event.xbutton.button == 2)
mouse_button = 2;
else if(event.xbutton.button == 3)
mouse_button = 1;
else
mouse_button = event.xbutton.button - 1;
switch (event.type)
{
case KeyPress:
myxtime = event.xkey.time;
case KeyRelease:
Key_Event (XLateKey(&event.xkey), event.type == KeyPress, Sys_Milliseconds());
break;
case MotionNotify:
if (mouse_active)
{
if (dgamouse)
{
mx += event.xmotion.x_root * 2;
my += event.xmotion.y_root * 2;
}
else
{
if( !event.xmotion.send_event ) {
mx += event.xmotion.x - p_mouse_x;
my += event.xmotion.y - p_mouse_y;
if( abs( mwx - event.xmotion.x ) > mwx / 2 || abs( mwy - event.xmotion.y ) > mwy / 2 )
dowarp = true;
}
p_mouse_x = event.xmotion.x;
p_mouse_y = event.xmotion.y;
}
}
break;
case ButtonPress:
myxtime = event.xbutton.time;
if (event.xbutton.button) {
if (Sys_Milliseconds()-ui_mousecursor.buttontime[mouse_button] < multiclicktime)
ui_mousecursor.buttonclicks[mouse_button] += 1;
else
ui_mousecursor.buttonclicks[mouse_button] = 1;
if (ui_mousecursor.buttonclicks[mouse_button]>3)
ui_mousecursor.buttonclicks[mouse_button] = 3;
ui_mousecursor.buttontime[mouse_button] = Sys_Milliseconds();
ui_mousecursor.buttondown[mouse_button] = true;
ui_mousecursor.buttonused[mouse_button] = false;
ui_mousecursor.mouseaction = true;
}
if (event.xbutton.button == 1) Key_Event(K_MOUSE1, 1, Sys_Milliseconds());
else if (event.xbutton.button == 2) Key_Event(K_MOUSE3, 1, Sys_Milliseconds());
else if (event.xbutton.button == 3) Key_Event(K_MOUSE2, 1, Sys_Milliseconds());
else if (event.xbutton.button == 4) Key_Event(K_MWHEELUP, 1, Sys_Milliseconds());
else if (event.xbutton.button == 5) Key_Event(K_MWHEELDOWN, 1, Sys_Milliseconds());
else if (event.xbutton.button >= 6 && event.xbutton.button <= 10) Key_Event(K_MOUSE4+event.xbutton.button-6, 1, Sys_Milliseconds());
break;
case ButtonRelease:
if (event.xbutton.button) {
ui_mousecursor.buttondown[mouse_button] = false;
ui_mousecursor.buttonused[mouse_button] = false;
ui_mousecursor.mouseaction = true;
}
if (event.xbutton.button == 1) Key_Event(K_MOUSE1, 0, Sys_Milliseconds());
else if (event.xbutton.button == 2) Key_Event(K_MOUSE3, 0, Sys_Milliseconds());
else if (event.xbutton.button == 3) Key_Event(K_MOUSE2, 0, Sys_Milliseconds());
else if (event.xbutton.button == 4) Key_Event(K_MWHEELUP, 0, Sys_Milliseconds());
else if (event.xbutton.button == 5) Key_Event(K_MWHEELDOWN, 0, Sys_Milliseconds());
else if (event.xbutton.button >= 6 && event.xbutton.button <= 10) Key_Event(K_MOUSE4+event.xbutton.button-6, 0, Sys_Milliseconds());
break;
case CreateNotify :
win_x = event.xcreatewindow.x;
win_y = event.xcreatewindow.y;
break;
case ConfigureNotify :
win_x = event.xconfigure.x;
win_y = event.xconfigure.y;
break;
case ClientMessage:
if (event.xclient.data.l[0] == wmDeleteWindow)
Cbuf_ExecuteText(EXEC_NOW, "quit");
break;
}
}
if (dowarp)
{
/* move the mouse to the window center again */
p_mouse_x = mwx;
p_mouse_y = mwy;
XWarpPointer (dpy, None, win, 0, 0, 0, 0, mwx, mwy);
}
}
/*****************************************************************************/
qboolean GLimp_InitGL (void);
static void signal_handler (int sig)
{
printf("Received signal %d, exiting...\n", sig);
GLimp_Shutdown();
_exit(0);
}
static void InitSig (void)
{
signal(SIGHUP, signal_handler);
signal(SIGQUIT, signal_handler);
signal(SIGILL, signal_handler);
signal(SIGTRAP, signal_handler);
signal(SIGIOT, signal_handler);
signal(SIGBUS, signal_handler);
signal(SIGFPE, signal_handler);
signal(SIGSEGV, signal_handler);
signal(SIGTERM, signal_handler);
}
/*
** GLimp_SetMode
*/
//int GLimp_SetMode (int *pwidth, int *pheight, int mode, qboolean fullscreen)
rserr_t GLimp_SetMode (int *pwidth, int *pheight, int mode, dispType_t fullscreen)
{
int width, height;
int attrib[] = {
GLX_RGBA,
GLX_RED_SIZE, 1,
GLX_GREEN_SIZE, 1,
GLX_BLUE_SIZE, 1,
GLX_DOUBLEBUFFER,
GLX_DEPTH_SIZE, 1,
GLX_STENCIL_SIZE, 1,
None
};
Window root;
XVisualInfo *visinfo;
XSetWindowAttributes attr;
unsigned int mask;
int MajorVersion, MinorVersion;
int actualWidth, actualHeight;
XSizeHints *sizehints;
XWMHints *wmhints;
int i;
char titleBuf[32];
r_fakeFullscreen = Cvar_Get( "r_fakeFullscreen", "0", CVAR_ARCHIVE);
Com_Printf( "Initializing OpenGL display\n");
if ( fullscreen == dt_fullscreen ) // borderless support
Com_Printf ( "...setting fullscreen mode %d:", mode );
else if ( fullscreen == dt_borderless ) // borderless support
Com_Printf ( "...setting borderless window mode %d:", mode );
else // if ( fullscreen == dt_windowed )
Com_Printf ( "...setting mode %d:", mode );
if ( !VID_GetModeInfo( &width, &height, mode ) )
{
Com_Printf( " invalid mode\n" );
return rserr_invalid_mode;
}
Com_Printf( " %dx%d\n", width, height );
// destroy the existing window
GLimp_Shutdown ();
if (!(dpy = XOpenDisplay(NULL))) {
fprintf(stderr, "Error couldn't open the X display\n");
return rserr_invalid_mode;
}
scrnum = DefaultScreen(dpy);
root = RootWindow(dpy, scrnum);
// Get video mode list
MajorVersion = MinorVersion = 0;
if (!XF86VidModeQueryVersion(dpy, &MajorVersion, &MinorVersion)) {
vidmode_ext = false;
}
else {
Com_Printf( "Using XFree86-VidModeExtension Version %d.%d\n",
MajorVersion, MinorVersion);
vidmode_ext = true;
}
visinfo = qglXChooseVisual(dpy, scrnum, attrib);
if (!visinfo) {
fprintf(stderr, "Error couldn't get an RGB, Double-buffered, Depth visual\n");
return rserr_invalid_mode;
}
gl_state.gammaramp = false;
if (vidmode_ext)
{
int best_fit, best_dist, dist, x, y;
XF86VidModeGetAllModeLines(dpy, scrnum, &num_vidmodes, &vidmodes);
// Are we going fullscreen? If so, let's change video mode
// if (fullscreen && !r_fakeFullscreen->value)
if ( (fullscreen == dt_fullscreen) && !r_fakeFullscreen->value ) // borderless support
{
best_dist = 9999999;
best_fit = -1;
for (i = 0; i < num_vidmodes; i++)
{
if (width > vidmodes[i]->hdisplay ||
height > vidmodes[i]->vdisplay)
continue;
x = width - vidmodes[i]->hdisplay;
y = height - vidmodes[i]->vdisplay;
dist = (x * x) + (y * y);
if (dist < best_dist) {
best_dist = dist;
best_fit = i;
}
}
if (best_fit != -1)
{
actualWidth = vidmodes[best_fit]->hdisplay;
actualHeight = vidmodes[best_fit]->vdisplay;
// change to the mode
XF86VidModeSwitchToMode(dpy, scrnum, vidmodes[best_fit]);
vidmode_active = true;
if (XF86VidModeGetGamma(dpy, scrnum, &oldgamma))
{
gl_state.gammaramp = true;
/* We can no reliably detect hardware gamma
changes across software gamma calls, which
can reset the flag, so change it anyway */
vid_gamma->modified = true;
Com_Printf( "Using hardware gamma\n");
}
// Move the viewport to top left
XF86VidModeSetViewPort(dpy, scrnum, 0, 0);
}
else
fullscreen = 0;
}
}
/* window attributes */
attr.background_pixel = 0;
attr.border_pixel = 0;
attr.colormap = XCreateColormap(dpy, root, visinfo->visual, AllocNone);
attr.event_mask = X_MASK;
if (vidmode_active)
{
mask = CWBackPixel | CWColormap | CWSaveUnder | CWBackingStore |
CWEventMask | CWOverrideRedirect;
attr.override_redirect = True;
attr.backing_store = NotUseful;
attr.save_under = False;
}
else
mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
win = XCreateWindow(dpy, root, 0, 0, width, height,
0, visinfo->depth, InputOutput,
visinfo->visual, mask, &attr);
// XStoreName(dpy, win, "KMQuake2 0.20");
Com_sprintf (titleBuf, sizeof(titleBuf), "KMQuake2 v%4.2fu%d", VERSION, VERSION_UPDATE);
XStoreName(dpy, win, titleBuf);
sizehints = XAllocSizeHints();
if (sizehints)
{
sizehints->min_width = width;
sizehints->min_height = height;
sizehints->max_width = width;
sizehints->max_height = height;
sizehints->base_width = width;
sizehints->base_height = vid.height;
sizehints->flags = PMinSize | PMaxSize | PBaseSize;
}
wmhints = XAllocWMHints();
if (wmhints)
{
#include "q2icon.xbm"
Pixmap icon_pixmap, icon_mask;
unsigned int fg, bg;
int i;
fg = BlackPixel(dpy, visinfo->screen);
bg = WhitePixel(dpy, visinfo->screen);
icon_pixmap = XCreatePixmapFromBitmapData(dpy, win, (char *)q2icon_bits, q2icon_width, q2icon_height, fg, bg, visinfo->depth);
for (i = 0; i < sizeof(q2icon_bits); i++)
q2icon_bits[i] = ~q2icon_bits[i];
icon_mask = XCreatePixmapFromBitmapData(dpy, win, (char *)q2icon_bits, q2icon_width, q2icon_height, bg, fg, visinfo->depth);
wmhints->flags = IconPixmapHint|IconMaskHint;
wmhints->icon_pixmap = icon_pixmap;
wmhints->icon_mask = icon_mask;
}
XSetWMProperties(dpy, win, NULL, NULL, NULL, 0,
sizehints, wmhints, None);
if (sizehints)
XFree(sizehints);
if (wmhints)
XFree(wmhints);
wmDeleteWindow = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
XSetWMProtocols(dpy, win, &wmDeleteWindow, 1);
XMapWindow(dpy, win);
if (vidmode_active)
{
XMoveWindow(dpy, win, 0, 0);
XRaiseWindow(dpy, win);
XWarpPointer(dpy, None, win, 0, 0, 0, 0, 0, 0);
XFlush(dpy);
// Move the viewport to top left
XF86VidModeSetViewPort(dpy, scrnum, 0, 0);
}
XFlush(dpy);
ctx = qglXCreateContext(dpy, visinfo, NULL, True);
qglXMakeCurrent(dpy, win, ctx);
*pwidth = width;
*pheight = height;
// let the sound and input subsystems know about the new window
VID_NewWindow (width, height);
qglXMakeCurrent(dpy, win, ctx);
/* Moved to GL_SetDefaultState in r_glstate.c
// Vertex arrays
qglEnableClientState (GL_VERTEX_ARRAY);
qglEnableClientState (GL_TEXTURE_COORD_ARRAY);
qglTexCoordPointer (2, GL_FLOAT, sizeof(tex_array[0]), tex_array[0]);
qglVertexPointer (3, GL_FLOAT, sizeof(vert_array[0]), vert_array[0]);
qglColorPointer (4, GL_FLOAT, sizeof(col_array[0]), col_array[0]);
*/
return rserr_ok;
}
/*
** GLimp_Shutdown
**
** This routine does all OS specific shutdown procedures for the OpenGL
** subsystem. Under OpenGL this means NULLing out the current DC and
** HGLRC, deleting the rendering context, and releasing the DC acquired
** for the window. The state structure is also nulled out.
**
*/
void GLimp_Shutdown (void)
{
uninstall_grabs();
mouse_active = false;
dgamouse = false;
if (dpy) {
if (ctx)
qglXDestroyContext(dpy, ctx);
if (win)
XDestroyWindow(dpy, win);
if (gl_state.gammaramp) {
XF86VidModeSetGamma(dpy, scrnum, &oldgamma);
/* The gamma has changed, but SetMode will change it
anyway, so why bother?
vid_gamma->modified = true; */
}
if (vidmode_active)
XF86VidModeSwitchToMode(dpy, scrnum, vidmodes[0]);
XCloseDisplay(dpy);
}
ctx = NULL;
dpy = NULL;
win = 0;
ctx = NULL;
}
/*
** GLimp_Init
**
** This routine is responsible for initializing the OS specific portions
** of OpenGL.
*/
int GLimp_Init (void *hinstance, void *wndproc)
{
InitSig();
Com_Printf( "... Using stencil buffer\n" );
have_stencil = true; // Stencil shadows - MrG
return true;
}
/*
** GLimp_BeginFrame
*/
void CIN_ProcessCins (void);
void GLimp_BeginFrame (float camera_seperation)
{
//Heffo - CIN Texture Update
CIN_ProcessCins();
}
/*
** GLimp_EndFrame
**
** Responsible for doing a swapbuffers and possibly for other stuff
** as yet to be determined. Probably better not to make this a GLimp
** function and instead do a call to GLimp_SwapBuffers.
*/
void GLimp_EndFrame (void)
{
qglFlush();
qglXSwapBuffers(dpy, win);
}
/*
** GLimp_AppActivate
*/
void GLimp_AppActivate (qboolean active)
{
}
void Fake_glColorTableEXT (GLenum target, GLenum internalformat,
GLsizei width, GLenum format, GLenum type,
const GLvoid *table)
{
byte temptable[256][4];
byte *intbl;
int i;
for (intbl = (byte *)table, i = 0; i < 256; i++) {
temptable[i][2] = *intbl++;
temptable[i][1] = *intbl++;
temptable[i][0] = *intbl++;
temptable[i][3] = 255;
}
qgl3DfxSetPaletteEXT((GLuint *)temptable);
}
/*
** UpdateHardwareGamma
**
** We are using gamma relative to the desktop, so that we can share it
** with software renderer and don't require to change desktop gamma
** to match hardware gamma image brightness. It seems that Quake 3 is
** using the opposite approach, but it has no software renderer after
** all.
*/
void UpdateGammaRamp (void)
{
XF86VidModeGamma gamma;
float g;
g = (1.3 - vid_gamma->value + 1);
g = (g>1 ? g : 1);
gamma.red = oldgamma.red * g;
gamma.green = oldgamma.green * g;
gamma.blue = oldgamma.blue * g;
XF86VidModeSetGamma(dpy, scrnum, &gamma);
}
char *Sys_GetClipboardData (void)
{
Window sowner;
Atom type, property;
unsigned int len, bytes_left, tmp;
unsigned char *data;
int format, result;
char *ret = NULL;
sowner = XGetSelectionOwner(dpy, XA_PRIMARY);
if (sowner != None) {
property = XInternAtom(dpy,
"GETCLIPBOARDDATA_PROP",
False);
XConvertSelection(dpy,
XA_PRIMARY, XA_STRING,
property, win, myxtime); /* myxtime == time of last X event */
XFlush(dpy);
XGetWindowProperty(dpy,
win, property,
0, 0, False, AnyPropertyType,
&type, &format, &len,
&bytes_left, &data);
if (bytes_left > 0) {
result =
XGetWindowProperty(dpy,
win, property,
0, bytes_left, True, AnyPropertyType,
&type, &format, &len,
&tmp, &data);
if (result == Success) {
ret = strdup((char *)data);
}
XFree(data);
}
}
return ret;
}
/*------------------------------------------------*/
/* X11 Input Stuff */
/*------------------------------------------------*/
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