#ifdef USE_X11_LIBRARY
+#include "main.h"
+#include "misc.h"
+
+struct IconFileInfo
+{
+ char *picture_filename;
+ char *picturemask_filename;
+};
+
+static void X11InitDisplay()
+{
+#ifndef MSDOS
+ XVisualInfo vinfo_template, *vinfo;
+ int num_visuals;
+#endif
+ unsigned int depth;
+
+ /* connect to X server */
+ if (!(display = XOpenDisplay(options.display_name)))
+ Error(ERR_EXIT, "cannot connect to X server %s",
+ XDisplayName(options.display_name));
+
+ screen = DefaultScreen(display);
+ visual = DefaultVisual(display, screen);
+ depth = DefaultDepth(display, screen);
+ cmap = DefaultColormap(display, screen);
+
+#ifndef MSDOS
+ /* look for good enough visual */
+ vinfo_template.screen = screen;
+ vinfo_template.class = (depth == 8 ? PseudoColor : TrueColor);
+ vinfo_template.depth = depth;
+ if ((vinfo = XGetVisualInfo(display, VisualScreenMask | VisualClassMask |
+ VisualDepthMask, &vinfo_template, &num_visuals)))
+ {
+ visual = vinfo->visual;
+ XFree((void *)vinfo);
+ }
+
+ /* got appropriate visual? */
+ if (depth < 8)
+ {
+ printf("Sorry, displays with less than 8 bits per pixel not supported.\n");
+ exit(-1);
+ }
+ else if ((depth ==8 && visual->class != PseudoColor) ||
+ (depth > 8 && visual->class != TrueColor &&
+ visual->class != DirectColor))
+ {
+ printf("Sorry, cannot get appropriate visual.\n");
+ exit(-1);
+ }
+#endif /* !MSDOS */
+}
+
+static void X11InitWindow()
+{
+ unsigned int border_width = 4;
+ XGCValues gc_values;
+ unsigned long gc_valuemask;
+#ifndef MSDOS
+ XTextProperty windowName, iconName;
+ Pixmap icon_pixmap, iconmask_pixmap;
+ unsigned int icon_width, icon_height;
+ int icon_hot_x, icon_hot_y;
+ char icon_filename[256];
+ XSizeHints size_hints;
+ XWMHints wm_hints;
+ XClassHint class_hints;
+ char *window_name = WINDOW_TITLE_STRING;
+ char *icon_name = WINDOW_TITLE_STRING;
+ long window_event_mask;
+ Atom proto_atom = None, delete_atom = None;
+#endif
+ int screen_width, screen_height;
+ int win_xpos = WIN_XPOS, win_ypos = WIN_YPOS;
+ unsigned long pen_fg = WhitePixel(display,screen);
+ unsigned long pen_bg = BlackPixel(display,screen);
+ const int width = WIN_XSIZE, height = WIN_YSIZE;
+
+#ifndef MSDOS
+ static struct IconFileInfo icon_pic =
+ {
+ "rocks_icon.xbm",
+ "rocks_iconmask.xbm"
+ };
+#endif
+
+ screen_width = XDisplayWidth(display, screen);
+ screen_height = XDisplayHeight(display, screen);
+
+ win_xpos = (screen_width - width) / 2;
+ win_ypos = (screen_height - height) / 2;
+
+ window = XCreateSimpleWindow(display, RootWindow(display, screen),
+ win_xpos, win_ypos, width, height, border_width,
+ pen_fg, pen_bg);
+
+#ifndef MSDOS
+ proto_atom = XInternAtom(display, "WM_PROTOCOLS", FALSE);
+ delete_atom = XInternAtom(display, "WM_DELETE_WINDOW", FALSE);
+ if ((proto_atom != None) && (delete_atom != None))
+ XChangeProperty(display, window, proto_atom, XA_ATOM, 32,
+ PropModePrepend, (unsigned char *) &delete_atom, 1);
+
+ sprintf(icon_filename, "%s/%s/%s",
+ options.ro_base_directory, GRAPHICS_DIRECTORY,
+ icon_pic.picture_filename);
+ XReadBitmapFile(display,window,icon_filename,
+ &icon_width,&icon_height,
+ &icon_pixmap,&icon_hot_x,&icon_hot_y);
+ if (!icon_pixmap)
+ Error(ERR_EXIT, "cannot read icon bitmap file '%s'", icon_filename);
+
+ sprintf(icon_filename, "%s/%s/%s",
+ options.ro_base_directory, GRAPHICS_DIRECTORY,
+ icon_pic.picturemask_filename);
+ XReadBitmapFile(display,window,icon_filename,
+ &icon_width,&icon_height,
+ &iconmask_pixmap,&icon_hot_x,&icon_hot_y);
+ if (!iconmask_pixmap)
+ Error(ERR_EXIT, "cannot read icon bitmap file '%s'", icon_filename);
+
+ size_hints.width = size_hints.min_width = size_hints.max_width = width;
+ size_hints.height = size_hints.min_height = size_hints.max_height = height;
+ size_hints.flags = PSize | PMinSize | PMaxSize;
+
+ if (win_xpos || win_ypos)
+ {
+ size_hints.x = win_xpos;
+ size_hints.y = win_ypos;
+ size_hints.flags |= PPosition;
+ }
+
+ if (!XStringListToTextProperty(&window_name, 1, &windowName))
+ Error(ERR_EXIT, "structure allocation for windowName failed");
+
+ if (!XStringListToTextProperty(&icon_name, 1, &iconName))
+ Error(ERR_EXIT, "structure allocation for iconName failed");
+
+ wm_hints.initial_state = NormalState;
+ wm_hints.input = True;
+ wm_hints.icon_pixmap = icon_pixmap;
+ wm_hints.icon_mask = iconmask_pixmap;
+ wm_hints.flags = StateHint | IconPixmapHint | IconMaskHint | InputHint;
+
+ class_hints.res_name = program_name;
+ class_hints.res_class = "Rocks'n'Diamonds";
+
+ XSetWMProperties(display, window, &windowName, &iconName,
+ NULL, 0, &size_hints, &wm_hints,
+ &class_hints);
+
+ XFree(windowName.value);
+ XFree(iconName.value);
+
+ /* Select event types wanted */
+ window_event_mask =
+ ExposureMask | StructureNotifyMask | FocusChangeMask |
+ ButtonPressMask | ButtonReleaseMask | PointerMotionMask |
+ PointerMotionHintMask | KeyPressMask | KeyReleaseMask;
+
+ XSelectInput(display, window, window_event_mask);
+#endif
+
+ /* create GC for drawing with window depth and background color (black) */
+ gc_values.graphics_exposures = False;
+ gc_values.foreground = pen_bg;
+ gc_values.background = pen_bg;
+ gc_valuemask = GCGraphicsExposures | GCForeground | GCBackground;
+ gc = XCreateGC(display, window, gc_valuemask, &gc_values);
+}
+
+inline void X11InitBufferedDisplay(DrawBuffer *unused1, DrawWindow *unused2)
+{
+ X11InitDisplay();
+ X11InitWindow();
+
+ XMapWindow(display, window);
+ FlushDisplay();
+
+ pix[PIX_DB_BACK] = CreateBitmap(WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH);
+}
+
#endif /* USE_X11_LIBRARY */
projects / rocksndiamonds.git / blobdiff