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SDL_x11window.c
1129 lines (993 loc) · 36.2 KB
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/*
SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2010 Sam Lantinga
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This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Sam Lantinga
slouken@libsdl.org
*/
#include "SDL_config.h"
#include "../SDL_sysvideo.h"
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#include "../SDL_pixels_c.h"
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#include "../../events/SDL_keyboard_c.h"
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#include "../../events/SDL_mouse_c.h"
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#include "SDL_x11video.h"
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#include "SDL_x11mouse.h"
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#include "SDL_x11gamma.h"
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#include "../Xext/extensions/StdCmap.h"
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#ifdef SDL_VIDEO_DRIVER_PANDORA
#include "SDL_x11opengles.h"
#endif
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#include "SDL_timer.h"
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#include "SDL_syswm.h"
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#define _NET_WM_STATE_REMOVE 0l
#define _NET_WM_STATE_ADD 1l
#define _NET_WM_STATE_TOGGLE 2l
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static SDL_bool
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X11_IsWindowOldFullscreen(_THIS, SDL_Window * window)
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{
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SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
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/* ICCCM2.0-compliant window managers can handle fullscreen windows */
if ((window->flags & SDL_WINDOW_FULLSCREEN) && !videodata->net_wm) {
return SDL_TRUE;
} else {
return SDL_FALSE;
}
}
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static SDL_bool
X11_IsWindowMapped(_THIS, SDL_Window * window)
{
SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
XWindowAttributes attr;
XGetWindowAttributes(videodata->display, data->xwindow, &attr);
if (attr.map_state != IsUnmapped) {
return SDL_TRUE;
} else {
return SDL_FALSE;
}
}
static int
X11_GetWMStateProperty(_THIS, SDL_Window * window, Atom atoms[3])
{
SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
int count = 0;
if (window->flags & SDL_WINDOW_FULLSCREEN) {
atoms[count++] = data->_NET_WM_STATE_FULLSCREEN;
}
if (window->flags & SDL_WINDOW_MAXIMIZED) {
atoms[count++] = data->_NET_WM_STATE_MAXIMIZED_VERT;
atoms[count++] = data->_NET_WM_STATE_MAXIMIZED_HORZ;
}
return count;
}
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static void
X11_GetDisplaySize(_THIS, SDL_Window * window, int *w, int *h)
{
SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
SDL_DisplayData *displaydata =
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(SDL_DisplayData *) window->display->driverdata;
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XWindowAttributes attr;
XGetWindowAttributes(data->display, RootWindow(data->display,
displaydata->screen),
&attr);
if (w) {
*w = attr.width;
}
if (h) {
*h = attr.height;
}
}
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static int
SetupWindowData(_THIS, SDL_Window * window, Window w, BOOL created)
{
SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
SDL_WindowData *data;
int numwindows = videodata->numwindows;
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int windowlistlength = videodata->windowlistlength;
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SDL_WindowData **windowlist = videodata->windowlist;
/* Allocate the window data */
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data = (SDL_WindowData *) SDL_calloc(1, sizeof(*data));
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if (!data) {
SDL_OutOfMemory();
return -1;
}
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data->window = window;
data->xwindow = w;
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#ifdef X_HAVE_UTF8_STRING
if (SDL_X11_HAVE_UTF8) {
data->ic =
pXCreateIC(videodata->im, XNClientWindow, w, XNFocusWindow, w,
XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
XNResourceName, videodata->classname, XNResourceClass,
videodata->classname, NULL);
}
#endif
data->created = created;
data->videodata = videodata;
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/* Associate the data with the window */
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if (numwindows < windowlistlength) {
windowlist[numwindows] = data;
videodata->numwindows++;
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} else {
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windowlist =
(SDL_WindowData **) SDL_realloc(windowlist,
(numwindows +
1) * sizeof(*windowlist));
if (!windowlist) {
SDL_OutOfMemory();
SDL_free(data);
return -1;
}
windowlist[numwindows] = data;
videodata->numwindows++;
videodata->windowlistlength++;
videodata->windowlist = windowlist;
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}
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/* Fill in the SDL window with the window data */
{
XWindowAttributes attrib;
XGetWindowAttributes(data->videodata->display, w, &attrib);
window->x = attrib.x;
window->y = attrib.y;
window->w = attrib.width;
window->h = attrib.height;
if (attrib.map_state != IsUnmapped) {
window->flags |= SDL_WINDOW_SHOWN;
} else {
window->flags &= ~SDL_WINDOW_SHOWN;
}
}
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{
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Atom _NET_WM_STATE = data->videodata->_NET_WM_STATE;
Atom _NET_WM_STATE_MAXIMIZED_VERT = data->videodata->_NET_WM_STATE_MAXIMIZED_VERT;
Atom _NET_WM_STATE_MAXIMIZED_HORZ = data->videodata->_NET_WM_STATE_MAXIMIZED_HORZ;
Atom _NET_WM_STATE_FULLSCREEN = data->videodata->_NET_WM_STATE_FULLSCREEN;
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Atom actualType;
int actualFormat;
unsigned long i, numItems, bytesAfter;
unsigned char *propertyValue = NULL;
long maxLength = 1024;
if (XGetWindowProperty(data->videodata->display, w, _NET_WM_STATE,
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0l, maxLength, False, XA_ATOM, &actualType,
&actualFormat, &numItems, &bytesAfter,
&propertyValue) == Success) {
Atom *atoms = (Atom *) propertyValue;
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int maximized = 0;
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int fullscreen = 0;
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for (i = 0; i < numItems; ++i) {
if (atoms[i] == _NET_WM_STATE_MAXIMIZED_VERT) {
maximized |= 1;
} else if (atoms[i] == _NET_WM_STATE_MAXIMIZED_HORZ) {
maximized |= 2;
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} else if ( atoms[i] == _NET_WM_STATE_FULLSCREEN) {
fullscreen = 1;
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}
}
if (maximized == 3) {
window->flags |= SDL_WINDOW_MAXIMIZED;
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} else if (fullscreen == 1) {
window->flags |= SDL_WINDOW_FULLSCREEN;
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}
XFree(propertyValue);
}
}
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/* FIXME: How can I tell?
{
DWORD style = GetWindowLong(hwnd, GWL_STYLE);
if (style & WS_VISIBLE) {
if (style & (WS_BORDER | WS_THICKFRAME)) {
window->flags &= ~SDL_WINDOW_BORDERLESS;
} else {
window->flags |= SDL_WINDOW_BORDERLESS;
}
if (style & WS_THICKFRAME) {
window->flags |= SDL_WINDOW_RESIZABLE;
} else {
window->flags &= ~SDL_WINDOW_RESIZABLE;
}
if (style & WS_MINIMIZE) {
window->flags |= SDL_WINDOW_MINIMIZED;
} else {
window->flags &= ~SDL_WINDOW_MINIMIZED;
}
}
if (GetFocus() == hwnd) {
int index = data->videodata->keyboard;
window->flags |= SDL_WINDOW_INPUT_FOCUS;
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SDL_SetKeyboardFocus(index, data->window);
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if (window->flags & SDL_WINDOW_INPUT_GRABBED) {
RECT rect;
GetClientRect(hwnd, &rect);
ClientToScreen(hwnd, (LPPOINT) & rect);
ClientToScreen(hwnd, (LPPOINT) & rect + 1);
ClipCursor(&rect);
}
}
*/
/* All done! */
window->driverdata = data;
return 0;
}
int
X11_CreateWindow(_THIS, SDL_Window * window)
{
SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
SDL_DisplayData *displaydata =
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(SDL_DisplayData *) window->display->driverdata;
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Display *display = data->display;
int screen = displaydata->screen;
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Visual *visual;
int depth;
XSetWindowAttributes xattr;
int x, y;
Window w;
XSizeHints *sizehints;
XWMHints *wmhints;
XClassHint *classhints;
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SDL_bool oldstyle_fullscreen;
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Atom _NET_WM_WINDOW_TYPE;
Atom _NET_WM_WINDOW_TYPE_NORMAL;
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int wmstate_count;
Atom wmstate_atoms[3];
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/* ICCCM2.0-compliant window managers can handle fullscreen windows */
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oldstyle_fullscreen = X11_IsWindowOldFullscreen(_this, window);
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#if SDL_VIDEO_DRIVER_X11_XINERAMA
/* FIXME
if ( use_xinerama ) {
x = xinerama_info.x_org;
y = xinerama_info.y_org;
}
*/
#endif
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#ifdef SDL_VIDEO_OPENGL_GLX
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if (window->flags & SDL_WINDOW_OPENGL) {
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XVisualInfo *vinfo;
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vinfo = X11_GL_GetVisual(_this, display, screen);
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if (!vinfo) {
return -1;
}
visual = vinfo->visual;
depth = vinfo->depth;
XFree(vinfo);
} else
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#endif
#ifdef SDL_VIDEO_DRIVER_PANDORA
if (window->flags & SDL_WINDOW_OPENGL) {
XVisualInfo *vinfo;
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vinfo = X11_GLES_GetVisual(_this, display, screen);
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if (!vinfo) {
return -1;
}
visual = vinfo->visual;
depth = vinfo->depth;
XFree(vinfo);
} else
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#endif
{
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visual = displaydata->visual;
depth = displaydata->depth;
}
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if (oldstyle_fullscreen) {
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xattr.override_redirect = True;
} else {
xattr.override_redirect = False;
}
xattr.background_pixel = 0;
xattr.border_pixel = 0;
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if (visual->class == PseudoColor) {
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printf("asking for PseudoColor\n");
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/* Status status; */
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XColor *colorcells;
Colormap colormap;
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Sint32 pix;
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Sint32 ncolors;
Sint32 nbits;
Sint32 rmax, gmax, bmax;
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Sint32 rwidth, gwidth, bwidth;
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Sint32 rmask, gmask, bmask;
Sint32 rshift, gshift, bshift;
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Sint32 r, g, b;
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/* Is the colormap we need already registered in SDL? */
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if ((colormap =
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X11_LookupColormap(display, screen, visual->visualid))) {
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xattr.colormap = colormap;
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/* printf("found existing colormap\n"); */
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} else {
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/* The colormap is not known to SDL so we will create it */
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colormap = XCreateColormap(display, RootWindow(display, screen),
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visual, AllocAll);
/* printf("colormap = %x\n", colormap); */
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/* If we can't create a colormap, then we must die */
if (!colormap) {
SDL_SetError
("Couldn't create window: Could not create writable colormap");
return -1;
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}
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/* OK, we got a colormap, now fill it in as best as we can */
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colorcells = SDL_malloc(visual->map_entries * sizeof(XColor));
if (NULL == colorcells) {
SDL_SetError("out of memory in X11_CreateWindow");
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return -1;
}
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ncolors = visual->map_entries;
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nbits = visual->bits_per_rgb;
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/* printf("ncolors = %d nbits = %d\n", ncolors, nbits); */
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/* what if ncolors != (1 << nbits)? That can happen on a
true PseudoColor display. I'm assuming that we will
always have ncolors == (1 << nbits) */
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/* I'm making a lot of assumptions here. */
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/* Compute the width of each field. If there is one extra
bit, give it to green. If there are two extra bits give
them to red and greed. We can get extra bits when the
number of bits per pixel is not a multiple of 3. For
example when we have 16 bits per pixel and need a 5/6/5
layout for the RGB fields */
rwidth = (nbits / 3) + (((nbits % 3) == 2) ? 1 : 0);
gwidth = (nbits / 3) + (((nbits % 3) >= 1) ? 1 : 0);
bwidth = (nbits / 3);
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rshift = gwidth + bwidth;
gshift = bwidth;
bshift = 0;
rmax = 1 << rwidth;
gmax = 1 << gwidth;
bmax = 1 << bwidth;
rmask = rmax - 1;
gmask = gmax - 1;
bmask = bmax - 1;
/* printf("red mask = %4x shift = %4d width = %d\n", rmask, rshift, rwidth); */
/* printf("green mask = %4x shift = %4d width = %d\n", gmask, gshift, gwidth); */
/* printf("blue mask = %4x shift = %4d width = %d\n", bmask, bshift, bwidth); */
/* build the color table pixel values */
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pix = 0;
for (r = 0; r < rmax; r++) {
for (g = 0; g < gmax; g++) {
for (b = 0; b < bmax; b++) {
colorcells[pix].pixel =
(r << rshift) | (g << gshift) | (b << bshift);
colorcells[pix].red = (0xffff * r) / rmask;
colorcells[pix].green = (0xffff * g) / gmask;
colorcells[pix].blue = (0xffff * b) / bmask;
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/* printf("%4x:%4x [%4x %4x %4x]\n", */
/* pix, */
/* colorcells[pix].pixel, */
/* colorcells[pix].red, */
/* colorcells[pix].green, */
/* colorcells[pix].blue); */
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pix++;
}
}
}
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/* status = */
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/* XStoreColors(display, colormap, colorcells, ncolors); */
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xattr.colormap = colormap;
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X11_TrackColormap(display, screen, colormap, visual, NULL);
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SDL_free(colorcells);
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}
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} else if (visual->class == DirectColor) {
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Status status;
XColor *colorcells;
Colormap colormap;
int i;
int ncolors;
int rmax, gmax, bmax;
int rmask, gmask, bmask;
int rshift, gshift, bshift;
/* Is the colormap we need already registered in SDL? */
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if ((colormap =
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X11_LookupColormap(display, screen, visual->visualid))) {
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xattr.colormap = colormap;
/* printf("found existing colormap\n"); */
} else {
/* The colormap is not known to SDL so we will create it */
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colormap = XCreateColormap(display, RootWindow(display, screen),
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visual, AllocAll);
/* printf("colormap = %x\n", colormap); */
/* If we can't create a colormap, then we must die */
if (!colormap) {
SDL_SetError
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("Couldn't create window: Could not create writable colormap");
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return -1;
}
/* OK, we got a colormap, now fill it in as best as we can */
colorcells = SDL_malloc(visual->map_entries * sizeof(XColor));
if (NULL == colorcells) {
SDL_SetError("out of memory in X11_CreateWindow");
return -1;
}
ncolors = visual->map_entries;
rmax = 0xffff;
gmax = 0xffff;
bmax = 0xffff;
rshift = 0;
rmask = visual->red_mask;
while (0 == (rmask & 1)) {
rshift++;
rmask >>= 1;
}
/* printf("rmask = %4x rshift = %4d\n", rmask, rshift); */
gshift = 0;
gmask = visual->green_mask;
while (0 == (gmask & 1)) {
gshift++;
gmask >>= 1;
}
/* printf("gmask = %4x gshift = %4d\n", gmask, gshift); */
bshift = 0;
bmask = visual->blue_mask;
while (0 == (bmask & 1)) {
bshift++;
bmask >>= 1;
}
/* printf("bmask = %4x bshift = %4d\n", bmask, bshift); */
/* build the color table pixel values */
for (i = 0; i < ncolors; i++) {
Uint32 red = (rmax * i) / (ncolors - 1);
Uint32 green = (gmax * i) / (ncolors - 1);
Uint32 blue = (bmax * i) / (ncolors - 1);
Uint32 rbits = (rmask * i) / (ncolors - 1);
Uint32 gbits = (gmask * i) / (ncolors - 1);
Uint32 bbits = (bmask * i) / (ncolors - 1);
Uint32 pix =
(rbits << rshift) | (gbits << gshift) | (bbits << bshift);
colorcells[i].pixel = pix;
colorcells[i].red = red;
colorcells[i].green = green;
colorcells[i].blue = blue;
colorcells[i].flags = DoRed | DoGreen | DoBlue;
/* printf("%2d:%4x [%4x %4x %4x]\n", i, pix, red, green, blue); */
}
status =
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XStoreColors(display, colormap, colorcells, ncolors);
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xattr.colormap = colormap;
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X11_TrackColormap(display, screen, colormap, visual, colorcells);
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SDL_free(colorcells);
}
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} else {
xattr.colormap =
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XCreateColormap(display, RootWindow(display, screen),
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visual, AllocNone);
}
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if (oldstyle_fullscreen
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|| window->x == SDL_WINDOWPOS_CENTERED) {
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X11_GetDisplaySize(_this, window, &x, NULL);
x = (x - window->w) / 2;
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} else if (window->x == SDL_WINDOWPOS_UNDEFINED) {
x = 0;
} else {
x = window->x;
}
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if (oldstyle_fullscreen
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|| window->y == SDL_WINDOWPOS_CENTERED) {
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X11_GetDisplaySize(_this, window, NULL, &y);
y = (y - window->h) / 2;
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} else if (window->y == SDL_WINDOWPOS_UNDEFINED) {
y = 0;
} else {
y = window->y;
}
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w = XCreateWindow(display, RootWindow(display, screen), x, y,
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window->w, window->h, 0, depth, InputOutput, visual,
(CWOverrideRedirect | CWBackPixel | CWBorderPixel |
CWColormap), &xattr);
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if (!w) {
SDL_SetError("Couldn't create window");
return -1;
}
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#if SDL_VIDEO_DRIVER_PANDORA
/* Create the GLES window surface */
_this->gles_data->egl_surface =
_this->gles_data->eglCreateWindowSurface(_this->gles_data->
egl_display,
_this->gles_data->egl_config,
(NativeWindowType) w, NULL);
if (_this->gles_data->egl_surface == EGL_NO_SURFACE) {
SDL_SetError("Could not create GLES window surface");
return -1;
}
#endif
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sizehints = XAllocSizeHints();
if (sizehints) {
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if (!(window->flags & SDL_WINDOW_RESIZABLE)
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|| oldstyle_fullscreen) {
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sizehints->min_width = sizehints->max_width = window->w;
sizehints->min_height = sizehints->max_height = window->h;
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sizehints->flags = PMaxSize | PMinSize;
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}
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if (!oldstyle_fullscreen
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&& window->x != SDL_WINDOWPOS_UNDEFINED
&& window->y != SDL_WINDOWPOS_UNDEFINED) {
sizehints->x = x;
sizehints->y = y;
sizehints->flags |= USPosition;
}
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XSetWMNormalHints(display, w, sizehints);
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XFree(sizehints);
}
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if ((window->flags & SDL_WINDOW_BORDERLESS) || oldstyle_fullscreen) {
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SDL_bool set;
Atom WM_HINTS;
/* We haven't modified the window manager hints yet */
set = SDL_FALSE;
/* First try to set MWM hints */
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WM_HINTS = XInternAtom(display, "_MOTIF_WM_HINTS", True);
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if (WM_HINTS != None) {
/* Hints used by Motif compliant window managers */
struct
{
unsigned long flags;
unsigned long functions;
unsigned long decorations;
long input_mode;
unsigned long status;
} MWMHints = {
(1L << 1), 0, 0, 0, 0};
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XChangeProperty(display, w, WM_HINTS, WM_HINTS, 32,
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PropModeReplace, (unsigned char *) &MWMHints,
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sizeof(MWMHints) / 4);
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619
620
set = SDL_TRUE;
}
/* Now try to set KWM hints */
621
WM_HINTS = XInternAtom(display, "KWM_WIN_DECORATION", True);
622
623
624
if (WM_HINTS != None) {
long KWMHints = 0;
625
XChangeProperty(display, w, WM_HINTS, WM_HINTS, 32,
626
627
PropModeReplace,
(unsigned char *) &KWMHints,
628
sizeof(KWMHints) / 4);
629
630
631
set = SDL_TRUE;
}
/* Now try to set GNOME hints */
632
WM_HINTS = XInternAtom(display, "_WIN_HINTS", True);
633
634
635
if (WM_HINTS != None) {
long GNOMEHints = 0;
636
XChangeProperty(display, w, WM_HINTS, WM_HINTS, 32,
637
638
PropModeReplace,
(unsigned char *) &GNOMEHints,
639
sizeof(GNOMEHints) / 4);
640
641
642
643
set = SDL_TRUE;
}
/* Finally set the transient hints if necessary */
if (!set) {
644
XSetTransientForHint(display, w, RootWindow(display, screen));
645
646
647
648
649
650
651
652
653
}
} else {
SDL_bool set;
Atom WM_HINTS;
/* We haven't modified the window manager hints yet */
set = SDL_FALSE;
/* First try to unset MWM hints */
654
WM_HINTS = XInternAtom(display, "_MOTIF_WM_HINTS", True);
655
if (WM_HINTS != None) {
656
XDeleteProperty(display, w, WM_HINTS);
657
658
659
set = SDL_TRUE;
}
/* Now try to unset KWM hints */
660
WM_HINTS = XInternAtom(display, "KWM_WIN_DECORATION", True);
661
if (WM_HINTS != None) {
662
XDeleteProperty(display, w, WM_HINTS);
663
664
665
set = SDL_TRUE;
}
/* Now try to unset GNOME hints */
666
WM_HINTS = XInternAtom(display, "_WIN_HINTS", True);
667
if (WM_HINTS != None) {
668
XDeleteProperty(display, w, WM_HINTS);
669
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671
672
set = SDL_TRUE;
}
/* Finally unset the transient hints if necessary */
if (!set) {
673
XDeleteProperty(display, w, XA_WM_TRANSIENT_FOR);
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680
}
}
/* Set the input hints so we get keyboard input */
wmhints = XAllocWMHints();
if (wmhints) {
wmhints->input = True;
681
wmhints->flags = InputHint;
682
XSetWMHints(display, w, wmhints);
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XFree(wmhints);
}
/* Set the class hints so we can get an icon (AfterStep) */
classhints = XAllocClassHint();
if (classhints != NULL) {
classhints->res_name = data->classname;
classhints->res_class = data->classname;
691
XSetClassHint(display, w, classhints);
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694
XFree(classhints);
}
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699
700
701
702
/* Set the window manager state */
wmstate_count = X11_GetWMStateProperty(_this, window, wmstate_atoms);
if (wmstate_count > 0) {
XChangeProperty(display, w, data->_NET_WM_STATE, XA_ATOM, 32,
PropModeReplace,
(unsigned char *)wmstate_atoms, wmstate_count);
} else {
XDeleteProperty(display, w, data->_NET_WM_STATE);
703
704
}
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711
/* Let the window manager know we're a "normal" window */
_NET_WM_WINDOW_TYPE = XInternAtom(display, "_NET_WM_WINDOW_TYPE", False);
_NET_WM_WINDOW_TYPE_NORMAL = XInternAtom(display, "_NET_WM_WINDOW_TYPE_NORMAL", False);
XChangeProperty(display, w, _NET_WM_WINDOW_TYPE, XA_ATOM, 32,
PropModeReplace,
(unsigned char *)&_NET_WM_WINDOW_TYPE_NORMAL, 1);
712
/* Allow the window to be deleted by the window manager */
713
XSetWMProtocols(display, w, &data->WM_DELETE_WINDOW, 1);
714
715
if (SetupWindowData(_this, window, w, SDL_TRUE) < 0) {
716
XDestroyWindow(display, w);
717
718
return -1;
}
719
720
721
722
723
#ifdef X_HAVE_UTF8_STRING
{
Uint32 fevent = 0;
pXGetICValues(((SDL_WindowData *) window->driverdata)->ic,
XNFilterEvents, &fevent, NULL);
724
XSelectInput(display, w,
725
726
727
728
729
730
731
(FocusChangeMask | EnterWindowMask | LeaveWindowMask |
ExposureMask | ButtonPressMask | ButtonReleaseMask |
PointerMotionMask | KeyPressMask | KeyReleaseMask |
PropertyChangeMask | StructureNotifyMask |
KeymapStateMask | fevent));
}
#else
732
{
733
XSelectInput(display, w,
734
735
736
737
738
(FocusChangeMask | EnterWindowMask | LeaveWindowMask |
ExposureMask | ButtonPressMask | ButtonReleaseMask |
PointerMotionMask | KeyPressMask | KeyReleaseMask |
PropertyChangeMask | StructureNotifyMask |
KeymapStateMask));
739
}
740
741
#endif
742
743
744
745
return 0;
}
int
746
X11_CreateWindowFrom(_THIS, SDL_Window * window, const void *data)
747
748
749
{
Window w = (Window) data;
750
window->title = X11_GetWindowTitle(_this, w);
751
752
753
754
755
756
757
if (SetupWindowData(_this, window, w, SDL_FALSE) < 0) {
return -1;
}
return 0;
}
758
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760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
char *
X11_GetWindowTitle(_THIS, Window xwindow)
{
SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
Display *display = data->display;
int status, real_format;
Atom real_type;
unsigned long items_read, items_left;
unsigned char *propdata;
char *title = NULL;
status = XGetWindowProperty(display, xwindow, data->_NET_WM_NAME,
0L, 8192L, False, data->UTF8_STRING, &real_type, &real_format,
&items_read, &items_left, &propdata);
if (status == Success) {
title = SDL_strdup(SDL_static_cast(char*, propdata));
XFree(propdata);
} else {
status = XGetWindowProperty(display, xwindow, XA_WM_NAME,
0L, 8192L, False, XA_STRING, &real_type, &real_format,
&items_read, &items_left, &propdata);
if (status == Success) {
title = SDL_iconv_string("UTF-8", "", SDL_static_cast(char*, propdata), items_read+1);
} else {
title = SDL_strdup("");
}
}
return title;
}
788
789
790
791
792
793
794
795
796
797
798
void
X11_SetWindowTitle(_THIS, SDL_Window * window)
{
SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
Display *display = data->videodata->display;
XTextProperty titleprop, iconprop;
Status status;
const char *title = window->title;
const char *icon = NULL;
#ifdef X_HAVE_UTF8_STRING
799
800
Atom _NET_WM_NAME = data->videodata->_NET_WM_NAME;
Atom _NET_WM_ICON_NAME = data->videodata->_NET_WM_ICON_NAME;
801
802
803
#endif
if (title != NULL) {
804
805
char *title_locale = SDL_iconv_utf8_locale(title);
if (!title_locale) {
806
807
808
SDL_OutOfMemory();
return;
}
809
810
status = XStringListToTextProperty(&title_locale, 1, &titleprop);
SDL_free(title_locale);
811
if (status) {
812
XSetTextProperty(display, data->xwindow, &titleprop, XA_WM_NAME);
813
814
815
816
817
818
819
820
XFree(titleprop.value);
}
#ifdef X_HAVE_UTF8_STRING
if (SDL_X11_HAVE_UTF8) {
status =
Xutf8TextListToTextProperty(display, (char **) &title, 1,
XUTF8StringStyle, &titleprop);
if (status == Success) {
821
XSetTextProperty(display, data->xwindow, &titleprop,
822
823
824
825
826
827
828
_NET_WM_NAME);
XFree(titleprop.value);
}
}
#endif
}
if (icon != NULL) {
829
830
char *icon_locale = SDL_iconv_utf8_locale(icon);
if (!icon_locale) {
831
832
833
SDL_OutOfMemory();
return;
}
834
835
status = XStringListToTextProperty(&icon_locale, 1, &iconprop);
SDL_free(icon_locale);
836
if (status) {
837
XSetTextProperty(display, data->xwindow, &iconprop,
838
839
840
841
842
843
844
845
846
XA_WM_ICON_NAME);
XFree(iconprop.value);
}
#ifdef X_HAVE_UTF8_STRING
if (SDL_X11_HAVE_UTF8) {
status =
Xutf8TextListToTextProperty(display, (char **) &icon, 1,
XUTF8StringStyle, &iconprop);
if (status == Success) {
847
XSetTextProperty(display, data->xwindow, &iconprop,
848
849
850
851
852
853
854
855
_NET_WM_ICON_NAME);
XFree(iconprop.value);
}
}
#endif
}
}
856
857
858
859
860
void
X11_SetWindowIcon(_THIS, SDL_Window * window, SDL_Surface * icon)
{
SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
Display *display = data->videodata->display;
861
Atom _NET_WM_ICON = data->videodata->_NET_WM_ICON;
862
863
864
865
866
if (icon) {
SDL_PixelFormat format;
SDL_Surface *surface;
int propsize;
867
long *propdata;
868
869
/* Convert the icon to ARGB for modern window managers */
870
871
SDL_InitFormat(&format, 32, 0x00FF0000, 0x0000FF00, 0x000000FF,
0xFF000000);
872
873
874
875
876
877
surface = SDL_ConvertSurface(icon, &format, 0);
if (!surface) {
return;
}
/* Set the _NET_WM_ICON property */
878
propsize = 2 + (icon->w * icon->h);
879
880
propdata = SDL_malloc(propsize * sizeof(Uint32));
if (propdata) {
881
882
883
884
int x, y;
Uint32 *src;
long *dst;
885
886
propdata[0] = icon->w;
propdata[1] = icon->h;
887
888
889
890
891
892
893
dst = &propdata[2];
for (y = 0; y < icon->h; ++y) {
src = (Uint32*)((Uint8*)surface->pixels + y * surface->pitch);
for (x = 0; x < icon->w; ++x) {
*dst++ = *src++;
}
}
894
XChangeProperty(display, data->xwindow, _NET_WM_ICON, XA_CARDINAL,
895
896
32, PropModeReplace, (unsigned char *) propdata,
propsize);
897
898
899
}
SDL_FreeSurface(surface);
} else {
900
XDeleteProperty(display, data->xwindow, _NET_WM_ICON);
901
902
903
}
}
904
905
906
907
908
void
X11_SetWindowPosition(_THIS, SDL_Window * window)
{
SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
Display *display = data->videodata->display;
909
SDL_bool oldstyle_fullscreen;
910
int x, y;
911
912
/* ICCCM2.0-compliant window managers can handle fullscreen windows */
913
oldstyle_fullscreen = X11_IsWindowOldFullscreen(_this, window);
914
915
if (oldstyle_fullscreen
916
|| window->x == SDL_WINDOWPOS_CENTERED) {
917
918
X11_GetDisplaySize(_this, window, &x, NULL);
x = (x - window->w) / 2;
919
920
921
} else {
x = window->x;
}
922
if (oldstyle_fullscreen
923
|| window->y == SDL_WINDOWPOS_CENTERED) {
924
925
X11_GetDisplaySize(_this, window, NULL, &y);
y = (y - window->h) / 2;
926
927
928
} else {
y = window->y;
}
929
XMoveWindow(display, data->xwindow, x, y);
930
931
932
933
934
935
936
937
}
void
X11_SetWindowSize(_THIS, SDL_Window * window)
{
SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
Display *display = data->videodata->display;
938
XResizeWindow(display, data->xwindow, window->w, window->h);
939
940
941
942
943
944
945
946
}
void
X11_ShowWindow(_THIS, SDL_Window * window)
{
SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
Display *display = data->videodata->display;
947
XMapRaised(display, data->xwindow);
948
949
950
951
952
953
954
955
}
void
X11_HideWindow(_THIS, SDL_Window * window)
{
SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
Display *display = data->videodata->display;
956
XUnmapWindow(display, data->xwindow);
957
958
959
960
961
962
963
964
}
void
X11_RaiseWindow(_THIS, SDL_Window * window)
{
SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
Display *display = data->videodata->display;
965
XRaiseWindow(display, data->xwindow);
966
967
}
968
969
970
971
972
static void
X11_SetWindowMaximized(_THIS, SDL_Window * window, SDL_bool maximized)
{
SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
SDL_DisplayData *displaydata =
973
(SDL_DisplayData *) window->display->driverdata;
974
Display *display = data->videodata->display;
975
976
977
Atom _NET_WM_STATE = data->videodata->_NET_WM_STATE;
Atom _NET_WM_STATE_MAXIMIZED_VERT = data->videodata->_NET_WM_STATE_MAXIMIZED_VERT;
Atom _NET_WM_STATE_MAXIMIZED_HORZ = data->videodata->_NET_WM_STATE_MAXIMIZED_HORZ;
978
979
980
981
982
Atom _NET_WM_STATE_FULLSCREEN = data->videodata->_NET_WM_STATE_FULLSCREEN;
if (X11_IsWindowMapped(_this, window)) {
XEvent e;
983
SDL_zero(e);
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
e.xany.type = ClientMessage;
e.xclient.message_type = _NET_WM_STATE;
e.xclient.format = 32;
e.xclient.window = data->xwindow;
e.xclient.data.l[0] =
maximized ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE;
e.xclient.data.l[1] = _NET_WM_STATE_MAXIMIZED_VERT;
e.xclient.data.l[2] = _NET_WM_STATE_MAXIMIZED_HORZ;
e.xclient.data.l[3] = 0l;
XSendEvent(display, RootWindow(display, displaydata->screen), 0,
SubstructureNotifyMask | SubstructureRedirectMask, &e);
} else {
int count = 0;
Atom atoms[3];
if (window->flags & SDL_WINDOW_FULLSCREEN) {