diff options
Diffstat (limited to 'distrib/sdl-1.2.15/src/video/x11/SDL_x11wm.c')
| -rw-r--r-- | distrib/sdl-1.2.15/src/video/x11/SDL_x11wm.c | 620 |
1 files changed, 620 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/video/x11/SDL_x11wm.c b/distrib/sdl-1.2.15/src/video/x11/SDL_x11wm.c new file mode 100644 index 0000000..2fd59e9 --- /dev/null +++ b/distrib/sdl-1.2.15/src/video/x11/SDL_x11wm.c @@ -0,0 +1,620 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2012 Sam Lantinga + + 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 <X11/Xlib.h> +#include <X11/Xutil.h> + +#include "SDL_version.h" +#include "SDL_timer.h" +#include "SDL_video.h" +#include "SDL_syswm.h" +#include "../SDL_pixels_c.h" +#include "../../events/SDL_events_c.h" +#include "SDL_x11modes_c.h" +#include "SDL_x11wm_c.h" + +static Uint8 reverse_byte(Uint8 x) +{ + x = (x & 0xaa) >> 1 | (x & 0x55) << 1; + x = (x & 0xcc) >> 2 | (x & 0x33) << 2; + x = (x & 0xf0) >> 4 | (x & 0x0f) << 4; + return x; +} + +void X11_SetIcon(_THIS, SDL_Surface *icon, Uint8 *mask) +{ + SDL_Surface *sicon; + XWMHints *wmhints; + XImage *icon_image; + Pixmap icon_pixmap; + Pixmap mask_pixmap; + Window icon_window = None; + GC gc; + XGCValues GCvalues; + int i, dbpp; + SDL_Rect bounds; + Uint8 *LSBmask; + Visual *dvis; + char *p; + int masksize; + + SDL_Lock_EventThread(); + + /* The icon must use the default visual, depth and colormap of the + screen, so it might need a conversion */ + dvis = DefaultVisual(SDL_Display, SDL_Screen); + dbpp = DefaultDepth(SDL_Display, SDL_Screen); + for(i = 0; i < this->hidden->nvisuals; i++) { + if(this->hidden->visuals[i].visual == dvis) { + dbpp = this->hidden->visuals[i].bpp; + break; + } + } + + /* The Visual struct is supposed to be opaque but we cheat a little */ + sicon = SDL_CreateRGBSurface(SDL_SWSURFACE, icon->w, icon->h, + dbpp, + dvis->red_mask, dvis->green_mask, + dvis->blue_mask, 0); + if ( sicon == NULL ) + goto done; + + if(dbpp == 8) { + /* Default visual is 8bit; we need to allocate colours from + the default colormap */ + SDL_Color want[256], got[256]; + int nwant; + Colormap dcmap; + int missing; + dcmap = DefaultColormap(SDL_Display, SDL_Screen); + if(icon->format->palette) { + /* The icon has a palette as well - we just have to + find those colours */ + nwant = icon->format->palette->ncolors; + SDL_memcpy(want, icon->format->palette->colors, + nwant * sizeof want[0]); + } else { + /* try the standard 6x6x6 cube for lack of better + ideas */ + int r, g, b, i; + for(r = i = 0; r < 256; r += 0x33) + for(g = 0; g < 256; g += 0x33) + for(b = 0; b < 256; b += 0x33, i++) { + want[i].r = r; + want[i].g = g; + want[i].b = b; + } + nwant = 216; + } + if(SDL_iconcolors) { + /* free already allocated colours first */ + unsigned long freelist[512]; + int nfree = 0; + for(i = 0; i < 256; i++) { + while(SDL_iconcolors[i]) { + freelist[nfree++] = i; + SDL_iconcolors[i]--; + } + } + XFreeColors(GFX_Display, dcmap, freelist, nfree, 0); + } + if(!SDL_iconcolors) + SDL_iconcolors = SDL_malloc(256 * sizeof *SDL_iconcolors); + SDL_memset(SDL_iconcolors, 0, 256 * sizeof *SDL_iconcolors); + + /* try to allocate the colours */ + SDL_memset(got, 0, sizeof got); + missing = 0; + for(i = 0; i < nwant; i++) { + XColor c; + c.red = want[i].r << 8; + c.green = want[i].g << 8; + c.blue = want[i].b << 8; + c.flags = DoRed | DoGreen | DoBlue; + if(XAllocColor(GFX_Display, dcmap, &c)) { + /* got the colour */ + SDL_iconcolors[c.pixel]++; + got[c.pixel] = want[i]; + } else { + missing = 1; + } + } + if(missing) { + /* Some colours were apparently missing, so we just + allocate all the rest as well */ + XColor cols[256]; + for(i = 0; i < 256; i++) + cols[i].pixel = i; + XQueryColors(GFX_Display, dcmap, cols, 256); + for(i = 0; i < 256; i++) { + got[i].r = cols[i].red >> 8; + got[i].g = cols[i].green >> 8; + got[i].b = cols[i].blue >> 8; + if(!SDL_iconcolors[i]) { + if(XAllocColor(GFX_Display, dcmap, + cols + i)) { + SDL_iconcolors[i] = 1; + } else { + /* index not available */ + got[i].r = 0; + got[i].g = 0; + got[i].b = 0; + } + } + } + } + + SDL_SetColors(sicon, got, 0, 256); + } + + bounds.x = 0; + bounds.y = 0; + bounds.w = icon->w; + bounds.h = icon->h; + if ( SDL_LowerBlit(icon, &bounds, sicon, &bounds) < 0 ) + goto done; + + /* We need the mask as given, except in LSBfirst format instead of + MSBfirst. Reverse the bits in each byte. */ + masksize = ((sicon->w + 7) >> 3) * sicon->h; + LSBmask = SDL_malloc(masksize); + if ( LSBmask == NULL ) { + goto done; + } + SDL_memset(LSBmask, 0, masksize); + for(i = 0; i < masksize; i++) + LSBmask[i] = reverse_byte(mask[i]); + mask_pixmap = XCreatePixmapFromBitmapData(SDL_Display, WMwindow, + (char *)LSBmask, + sicon->w, sicon->h, + 1L, 0L, 1); + + /* Transfer the image to an X11 pixmap */ + icon_image = XCreateImage(SDL_Display, + DefaultVisual(SDL_Display, SDL_Screen), + DefaultDepth(SDL_Display, SDL_Screen), + ZPixmap, 0, sicon->pixels, + sicon->w, sicon->h, + 32, 0); + icon_image->byte_order = (SDL_BYTEORDER == SDL_BIG_ENDIAN) + ? MSBFirst : LSBFirst; + icon_pixmap = XCreatePixmap(SDL_Display, SDL_Root, sicon->w, sicon->h, + DefaultDepth(SDL_Display, SDL_Screen)); + gc = XCreateGC(SDL_Display, icon_pixmap, 0, &GCvalues); + XPutImage(SDL_Display, icon_pixmap, gc, icon_image, + 0, 0, 0, 0, sicon->w, sicon->h); + XFreeGC(SDL_Display, gc); + XDestroyImage(icon_image); + SDL_free(LSBmask); + sicon->pixels = NULL; + + /* Some buggy window managers (some versions of Enlightenment, it + seems) need an icon window *and* icon pixmap to work properly, while + it screws up others. The default is only to use a pixmap. */ + p = SDL_getenv("SDL_VIDEO_X11_ICONWIN"); + if(p && *p) { + icon_window = XCreateSimpleWindow(SDL_Display, SDL_Root, + 0, 0, sicon->w, sicon->h, 0, + CopyFromParent, + CopyFromParent); + XSetWindowBackgroundPixmap(SDL_Display, icon_window, + icon_pixmap); + XClearWindow(SDL_Display, icon_window); + } + + /* Set the window icon to the icon pixmap (and icon window) */ + wmhints = XAllocWMHints(); + wmhints->flags = (IconPixmapHint | IconMaskHint | InputHint); + wmhints->icon_pixmap = icon_pixmap; + wmhints->icon_mask = mask_pixmap; + wmhints->input = True; + if(icon_window != None) { + wmhints->flags |= IconWindowHint; + wmhints->icon_window = icon_window; + } + XSetWMHints(SDL_Display, WMwindow, wmhints); + XFree(wmhints); + XSync(SDL_Display, False); + + done: + SDL_Unlock_EventThread(); + SDL_FreeSurface(sicon); +} + +void X11_SetCaptionNoLock(_THIS, const char *title, const char *icon) +{ + XTextProperty titleprop, iconprop; + Status status; + +#ifdef X_HAVE_UTF8_STRING + Atom _NET_WM_NAME = 0; + Atom _NET_WM_ICON_NAME = 0; + + /* Look up some useful Atoms */ + if (SDL_X11_HAVE_UTF8) { + _NET_WM_NAME = XInternAtom(SDL_Display, "_NET_WM_NAME", False); + _NET_WM_ICON_NAME = XInternAtom(SDL_Display, "_NET_WM_ICON_NAME", False); + } +#endif + + if ( title != NULL ) { + char *title_locale = SDL_iconv_utf8_locale(title); + if ( !title_locale ) { + SDL_OutOfMemory(); + return; + } + status = XStringListToTextProperty(&title_locale, 1, &titleprop); + SDL_free(title_locale); + if ( status ) { + XSetTextProperty(SDL_Display, WMwindow, &titleprop, XA_WM_NAME); + XFree(titleprop.value); + } +#ifdef X_HAVE_UTF8_STRING + if (SDL_X11_HAVE_UTF8) { + status = Xutf8TextListToTextProperty(SDL_Display, + (char **)&title, 1, XUTF8StringStyle, &titleprop); + if ( status == Success ) { + XSetTextProperty(SDL_Display, WMwindow, &titleprop, _NET_WM_NAME); + XFree(titleprop.value); + } + } +#endif + } + if ( icon != NULL ) { + char *icon_locale = SDL_iconv_utf8_locale(icon); + if ( !icon_locale ) { + SDL_OutOfMemory(); + return; + } + status = XStringListToTextProperty(&icon_locale, 1, &iconprop); + SDL_free(icon_locale); + if ( status ) { + XSetTextProperty(SDL_Display, WMwindow, &iconprop, XA_WM_ICON_NAME); + XFree(iconprop.value); + } +#ifdef X_HAVE_UTF8_STRING + if (SDL_X11_HAVE_UTF8) { + status = Xutf8TextListToTextProperty(SDL_Display, + (char **)&icon, 1, XUTF8StringStyle, &iconprop); + if ( status == Success ) { + XSetTextProperty(SDL_Display, WMwindow, &iconprop, _NET_WM_ICON_NAME); + XFree(iconprop.value); + } + } +#endif + } + XSync(SDL_Display, False); +} + +void X11_SetCaption(_THIS, const char *title, const char *icon) +{ + SDL_Lock_EventThread(); + X11_SetCaptionNoLock(this, title, icon); + SDL_Unlock_EventThread(); +} + +/* Iconify the window */ +int X11_IconifyWindow(_THIS) +{ + int result; + + SDL_Lock_EventThread(); + result = XIconifyWindow(SDL_Display, WMwindow, SDL_Screen); + XSync(SDL_Display, False); + SDL_Unlock_EventThread(); + return(result); +} + +#if 0 +#define D(...) printf(__VA_ARGS__) +#define E(...) D(__VA_ARGS__) +#else +#define D(...) ((void)0) +#define E(...) ((void)0) +#endif + +static void set_window_pos_nolock(_THIS, int x, int y) +{ + int xNew, yNew; + Window child; + int xAdjust = X11_wmXAdjust; + int yAdjust = X11_wmYAdjust; + + /* don't do anything in full-screen mode, because the FSwindow is used + * instead of the WMwindow, which will make the adjustment go wild + */ + if (this->screen->flags & SDL_FULLSCREEN) + return; + + /* this code is tricky because some window managers, but not all, + * will translate the final window position by a given offset + * corresponding to the frame decoration. + * + * so we first try to move the window, get the position that the + * window manager has set, and if they are different, re-position the + * window again with an adjustment. + * + * this causes a slight flicker since the window 'jumps' very + * quickly from one position to the other. + */ + + D("%s: move to [%d,%d] adjusted to [%d,%d]\n", __FUNCTION__, + x, y, x+xAdjust, y+yAdjust); + XMoveWindow(SDL_Display, WMwindow, x + xAdjust, y + yAdjust); + XSync(SDL_Display, True); + XTranslateCoordinates( SDL_Display, WMwindow, SDL_Root, 0, 0, &xNew, &yNew, &child ); + if (xNew != x || yNew != y) { + X11_wmXAdjust = xAdjust = x - xNew; + X11_wmYAdjust = yAdjust = y - yNew; + D("%s: read pos [%d,%d], recomputing adjust=[%d,%d] moving to [%d,%d]\n", + __FUNCTION__, xNew, yNew, xAdjust, yAdjust, x+xAdjust, y+yAdjust); + XMoveWindow(SDL_Display, WMwindow, x + xAdjust, y + yAdjust ); + } + XSync(SDL_Display, False); +} + +/* Set window position */ +void X11_SetWindowPos(_THIS, int x, int y) +{ + SDL_Lock_EventThread(); + set_window_pos_nolock(this, x, y); + SDL_Unlock_EventThread(); +} + +/* Get window position */ +void X11_GetWindowPos(_THIS, int *px, int *py) +{ + /* in full-screen mode, you can't move the window */ + if (this->screen->flags & SDL_FULLSCREEN) { + *px = *py = 0; + return; + } + + + SDL_Lock_EventThread(); + { + Window child; + + XTranslateCoordinates( SDL_Display, WMwindow, SDL_Root, 0, 0, px, py, &child ); + } + SDL_Unlock_EventThread(); +} + +static int +is_window_visible(_THIS, int screen_x, int screen_y, int screen_w, int screen_h ) +{ + XWindowAttributes attr; + int x, y; + Window child; + + XGetWindowAttributes( SDL_Display, WMwindow, &attr ); + XTranslateCoordinates( SDL_Display, WMwindow, SDL_Root, 0, 0, &x, &y, &child ); + + return ( x >= screen_x && x + attr.width <= screen_x + screen_w && + y >= screen_y && y + attr.height <= screen_y + screen_h ); +} + +int X11_IsWindowVisible(_THIS, int recenter) +{ + int result = 0; + XWindowAttributes attr; + int screen_w, screen_h; + + SDL_Lock_EventThread(); + XGetWindowAttributes( SDL_Display, SDL_Root, &attr ); + screen_w = attr.width; + screen_h = attr.height; + +#if SDL_VIDEO_DRIVER_X11_XINERAMA + if (use_xinerama) { + SDL_NAME(XineramaScreenInfo) *xinerama; + int i, screens; + + xinerama = SDL_NAME(XineramaQueryScreens)(SDL_Display, &screens); + for (i = 0; i < screens; i++) { + if ( is_window_visible( this, + xinerama[i].x_org, xinerama[i].y_org, + xinerama[i].width, xinerama[i].height ) ) + { + result = 1; + break; + } + } + + if ( !result && recenter ) { + set_window_pos_nolock(this, + xinerama[0].x_org + (xinerama[0].width - this->screen->w)/2, + xinerama[0].y_org + (xinerama[0].height - this->screen->h)/2 ); + } + XFree(xinerama); + goto Exit; + } +#endif + if ( is_window_visible( this, 0, 0, screen_w, screen_h ) ) { + result = 1; + } + + if ( !result && recenter ) { + set_window_pos_nolock( this, + (screen_w - this->screen->w)/2, + (screen_h - this->screen->h)/2 ); + } +#ifdef SDL_VIDEO_DRIVER_X11_XINERAMA +Exit: +#endif + SDL_Unlock_EventThread(); + return result; +} + +SDL_GrabMode X11_GrabInputNoLock(_THIS, SDL_GrabMode mode) +{ + int result; + + if ( this->screen == NULL || SDL_Display == NULL ) { + return(SDL_GRAB_OFF); + } + if ( ! SDL_Window ) { + return(mode); /* Will be set later on mode switch */ + } + if ( mode == SDL_GRAB_OFF ) { + XUngrabPointer(SDL_Display, CurrentTime); + XUngrabKeyboard(SDL_Display, CurrentTime); + } else { + if ( this->screen->flags & SDL_FULLSCREEN ) { + /* Unbind the mouse from the fullscreen window */ + XUngrabPointer(SDL_Display, CurrentTime); + } + /* Try to grab the mouse */ +#if 0 /* We'll wait here until we actually grab, otherwise behavior undefined */ + for ( numtries = 0; numtries < 10; ++numtries ) { +#else + for ( ; ; ) { +#endif + result = XGrabPointer(SDL_Display, SDL_Window, True, 0, + GrabModeAsync, GrabModeAsync, + SDL_Window, None, CurrentTime); + if ( result == GrabSuccess ) { + break; + } + SDL_Delay(100); + } + if ( result != GrabSuccess ) { + /* Uh, oh, what do we do here? */ ; + } + /* Now grab the keyboard */ + XGrabKeyboard(SDL_Display, WMwindow, True, + GrabModeAsync, GrabModeAsync, CurrentTime); + + /* Raise the window if we grab the mouse */ + if ( !(this->screen->flags & SDL_FULLSCREEN) ) + XRaiseWindow(SDL_Display, WMwindow); + + /* Make sure we register input focus */ + SDL_PrivateAppActive(1, SDL_APPINPUTFOCUS); + /* Since we grabbed the pointer, we have mouse focus, too. */ + SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS); + } + XSync(SDL_Display, False); + + return(mode); +} + +SDL_GrabMode X11_GrabInput(_THIS, SDL_GrabMode mode) +{ + SDL_Lock_EventThread(); + mode = X11_GrabInputNoLock(this, mode); + SDL_Unlock_EventThread(); + + return(mode); +} + +#define MM_PER_INCH 25.4 + +int +X11_GetMonitorDPI(_THIS, int *px_dpi, int *py_dpi) +{ + Display* display = SDL_Display; + int screen = XDefaultScreen(display); + int xdpi, ydpi; + + int width = XDisplayWidth(display, screen); + int width_mm = XDisplayWidthMM(display, screen); + int height = XDisplayHeight(display, screen); + int height_mm = XDisplayHeightMM(display, screen); + + if (width_mm <= 0 || height_mm <= 0) { + return -1; + } + + xdpi = (int)(width * MM_PER_INCH / width_mm + 0.5); + ydpi = (int)(height * MM_PER_INCH / height_mm + 0.5); + + if (xdpi < 20 || xdpi > 400 || ydpi < 20 || ydpi > 400) { + return -1; + } + + *px_dpi = xdpi; + *py_dpi = ydpi; + + return 0; +} + +int +X11_GetMonitorRect(_THIS, SDL_Rect *rect) +{ + Display* display = SDL_Display; + int screen = XDefaultScreen(display); + + rect->x = 0; + rect->y = 0; + rect->w = XDisplayWidth(display, screen); + rect->h = XDisplayHeight(display, screen); + + return 0; +} + +/* If 'info' is the right version, this function fills it and returns 1. + Otherwise, in case of a version mismatch, it returns -1. +*/ +static void lock_display(void) +{ + SDL_Lock_EventThread(); +} +static void unlock_display(void) +{ + /* Make sure any X11 transactions are completed */ + SDL_VideoDevice *this = current_video; + XSync(SDL_Display, False); + SDL_Unlock_EventThread(); +} + +#include <stdio.h> +int X11_GetWMInfo(_THIS, SDL_SysWMinfo *info) +{ + if ( info->version.major <= SDL_MAJOR_VERSION ) { + info->subsystem = SDL_SYSWM_X11; + info->info.x11.display = SDL_Display; + info->info.x11.window = SDL_Window; + if ( SDL_VERSIONNUM(info->version.major, + info->version.minor, + info->version.patch) >= 1002 ) { + info->info.x11.fswindow = FSwindow; + info->info.x11.wmwindow = WMwindow; + } + + + if ( SDL_VERSIONNUM(info->version.major, + info->version.minor, + info->version.patch) >= 1212 ) { + info->info.x11.gfxdisplay = GFX_Display; + } + + info->info.x11.lock_func = lock_display; + info->info.x11.unlock_func = unlock_display; + return(1); + } else { + SDL_SetError("Application not compiled with SDL %d.%d\n", + SDL_MAJOR_VERSION, SDL_MINOR_VERSION); + return(-1); + } +} |