diff options
| -rw-r--r-- | dsimple.c | 328 | ||||
| -rw-r--r-- | dsimple.h | 29 |
2 files changed, 6 insertions, 351 deletions
@@ -98,7 +98,7 @@ Realloc(char *ptr, int size) * Get_Display_Name (argc, argv) Look for -display, -d, or host:dpy (obselete) * If found, remove it from command line. Don't go past a lone -. */ -char * +static char * Get_Display_Name(int *pargc/* MODIFIED */, char **argv/* MODIFIED */) { int argc = *pargc; @@ -133,7 +133,7 @@ Get_Display_Name(int *pargc/* MODIFIED */, char **argv/* MODIFIED */) * Open_Display: Routine to open a display with correct error handling. * Does not require dpy or screen defined on entry. */ -Display * +static Display * Open_Display(char *display_name) { Display *d; @@ -179,330 +179,6 @@ void Close_Display(void) /* - * Open_Font: This routine opens a font with error handling. - */ -XFontStruct * -Open_Font(char *name) -{ - XFontStruct *font; - - if (!(font=XLoadQueryFont(dpy, name))) - Fatal_Error("Unable to open font %s!", name); - - return(font); -} - - -/* - * Beep: Routine to beep the display. - */ -void Beep(void) -{ - XBell(dpy, 50); -} - - -/* - * ReadBitmapFile: same as XReadBitmapFile except it returns the bitmap - * directly and handles errors using Fatal_Error. - */ -static void -_bitmap_error(int status, char *filename) -{ - if (status == BitmapOpenFailed) - Fatal_Error("Can't open file %s!", filename); - else if (status == BitmapFileInvalid) - Fatal_Error("file %s: Bad bitmap format.", filename); - else - Fatal_Error("Out of memory!"); -} - -Pixmap -ReadBitmapFile(Drawable d, char *filename, - int *width, int *height, int *x_hot, int *y_hot) -{ - Pixmap bitmap; - int status; - - status = XReadBitmapFile(dpy, RootWindow(dpy, screen), filename, - (unsigned int *)width, (unsigned int *)height, - &bitmap, x_hot, y_hot); - if (status != BitmapSuccess) - _bitmap_error(status, filename); - - return(bitmap); -} - - -/* - * WriteBitmapFile: same as XWriteBitmapFile except it handles errors - * using Fatal_Error. - */ -void -WriteBitmapFile(char *filename, Pixmap bitmap, - int width, int height, int x_hot, int y_hot) -{ - int status; - - status= XWriteBitmapFile(dpy, filename, bitmap, width, height, x_hot, - y_hot); - if (status != BitmapSuccess) - _bitmap_error(status, filename); -} - - -/* - * Select_Window_Args: a rountine to provide a common interface for - * applications that need to allow the user to select one - * window on the screen for special consideration. - * This routine implements the following command line - * arguments: - * - * -root Selects the root window. - * -id <id> Selects window with id <id>. <id> may - * be either in decimal or hex. - * -name <name> Selects the window with name <name>. - * - * Call as Select_Window_Args(&argc, argv) in main before - * parsing any of your program's command line arguments. - * Select_Window_Args will remove its arguments so that - * your program does not have to worry about them. - * The window returned is the window selected or 0 if - * none of the above arguments was present. If 0 is - * returned, Select_Window should probably be called after - * all command line arguments, and other setup is done. - * For examples of usage, see xwininfo, xwd, or xprop. - */ -Window Select_Window_Args(int *rargc, char **argv) -#define ARGC (*rargc) -{ - int nargc=1; - int argc; - char **nargv; - Window w=0; - - nargv = argv+1; argc = ARGC; -#define OPTION argv[0] -#define NXTOPTP ++argv, --argc>0 -#define NXTOPT if (++argv, --argc==0) usage() -#define COPYOPT nargv++[0]=OPTION, nargc++ - - while (NXTOPTP) { - if (!strcmp(OPTION, "-")) { - COPYOPT; - while (NXTOPTP) - COPYOPT; - break; - } - if (!strcmp(OPTION, "-root")) { - w=RootWindow(dpy, screen); - continue; - } - if (!strcmp(OPTION, "-name")) { - NXTOPT; - w = Window_With_Name(dpy, RootWindow(dpy, screen), - OPTION); - if (!w) - Fatal_Error("No window with name %s exists!",OPTION); - continue; - } - if (!strcmp(OPTION, "-id")) { - NXTOPT; - w=0; - sscanf(OPTION, "0x%lx", &w); - if (!w) - sscanf(OPTION, "%lu", &w); - if (!w) - Fatal_Error("Invalid window id format: %s.", OPTION); - continue; - } - COPYOPT; - } - ARGC = nargc; - - return(w); -} - -/* - * Other_stuff: A group of routines which do common X11 tasks. - * - * Written by Mark Lillibridge. Last updated 7/1/87 - */ - -/* - * Resolve_Color: This routine takes a color name and returns the pixel # - * that when used in the window w will be of color name. - * (WARNING: The colormap of w MAY be modified! ) - * If colors are run out of, only the first n colors will be - * as correct as the hardware can make them where n depends - * on the display. This routine does not require wind to - * be defined. - */ -unsigned long -Resolve_Color(Window w, char *name) -{ - XColor c; - Colormap colormap; - XWindowAttributes wind_info; - - /* - * The following is a hack to insure machines without a rgb table - * handle at least white & black right. - */ - if (!strcmp(name, "white")) - name="#ffffffffffff"; - if (!strcmp(name, "black")) - name="#000000000000"; - - XGetWindowAttributes(dpy, w, &wind_info); - colormap = wind_info.colormap; - - if (!XParseColor(dpy, colormap, name, &c)) - Fatal_Error("Bad color format '%s'.", name); - - if (!XAllocColor(dpy, colormap, &c)) - Fatal_Error("XAllocColor failed!"); - - return(c.pixel); -} - - -/* - * Bitmap_To_Pixmap: Convert a bitmap to a 2 colored pixmap. The colors come - * from the foreground and background colors of the gc. - * Width and height are required solely for efficiency. - * If needed, they can be obtained via. XGetGeometry. - */ -Pixmap -Bitmap_To_Pixmap(Display *dpy, Drawable d, GC gc, - Pixmap bitmap, int width, int height) -{ - Pixmap pix; - int x; - unsigned int i, depth; - Drawable root; - - if (!XGetGeometry(dpy, d, &root, &x, &x, &i, &i, &i, &depth)) - return(0); - - pix = XCreatePixmap(dpy, d, width, height, (int)depth); - - XCopyPlane(dpy, bitmap, pix, gc, 0, 0, width, height, 0, 0, 1); - - return(pix); -} - - -/* - * blip: a debugging routine. Prints Blip! on stderr with flushing. - */ -void blip(void) -{ - fflush(stdout); - fprintf(stderr, "blip!\n"); - fflush(stderr); -} - - -/* - * Routine to let user select a window using the mouse - */ - -Window -Select_Window(Display *dpy) -{ - int status; - Cursor cursor; - XEvent event; - Window target_win = None, root = RootWindow(dpy,screen); - int buttons = 0; - - /* Make the target cursor */ - cursor = XCreateFontCursor(dpy, XC_crosshair); - - /* Grab the pointer using target cursor, letting it room all over */ - status = XGrabPointer(dpy, root, False, - ButtonPressMask|ButtonReleaseMask, GrabModeSync, - GrabModeAsync, root, cursor, CurrentTime); - if (status != GrabSuccess) Fatal_Error("Can't grab the mouse."); - - /* Let the user select a window... */ - while ((target_win == None) || (buttons != 0)) { - /* allow one more event */ - XAllowEvents(dpy, SyncPointer, CurrentTime); - XWindowEvent(dpy, root, ButtonPressMask|ButtonReleaseMask, &event); - switch (event.type) { - case ButtonPress: - if (target_win == None) { - target_win = event.xbutton.subwindow; /* window selected */ - if (target_win == None) target_win = root; - } - buttons++; - break; - case ButtonRelease: - if (buttons > 0) /* there may have been some down before we started */ - buttons--; - break; - } - } - - XUngrabPointer(dpy, CurrentTime); /* Done with pointer */ - - return(target_win); -} - - -/* - * Window_With_Name: routine to locate a window with a given name on a display. - * If no window with the given name is found, 0 is returned. - * If more than one window has the given name, the first - * one found will be returned. Only top and its subwindows - * are looked at. Normally, top should be the RootWindow. - */ -Window -Window_With_Name(Display *dpy, Window top, char *name) -{ - Window *children, dummy; - unsigned int nchildren; - int i; - Window w=0; - char *window_name; - - if (XFetchName(dpy, top, &window_name) && !strcmp(window_name, name)) - return(top); - - if (!XQueryTree(dpy, top, &dummy, &dummy, &children, &nchildren)) - return(0); - - for (i=0; i<nchildren; i++) { - w = Window_With_Name(dpy, children[i], name); - if (w) - break; - } - if (children) XFree ((char *)children); - return(w); -} - -/* - * outl: a debugging routine. Flushes stdout then prints a message on stderr - * and flushes stderr. Used to print messages when past certain points - * in code so we can tell where we are. Outl may be invoked like - * printf with up to 7 arguments. - */ -void -outl(char *msg, ...) -{ - va_list args; - fflush(stdout); - va_start(args, msg); - vfprintf(stderr, msg, args); - va_end(args); - fprintf(stderr, "\n"); - fflush(stderr); -} - - -/* * Standard fatal error routine - call like printf but maximum of 7 arguments. * Does not require dpy or screen defined. */ @@ -29,10 +29,10 @@ from The Open Group. /* $XFree86: xc/programs/xlsfonts/dsimple.h,v 1.8 2002/12/24 17:43:01 tsi Exp $ */ /* - * Just_display.h: This file contains the definitions needed to use the - * functions in just_display.c. It also declares the global + * dsimple.h: This file contains the definitions needed to use the + * functions in dsimple.c. It also declares the global * variables dpy, screen, and program_name which are needed to - * use just_display.c. + * use dsimple.c. * * Written by Mark Lillibridge. Last updated 7/1/87 * @@ -56,40 +56,19 @@ extern int screen; /* The current screen */ #define INIT_NAME program_name=argv[0] /* use this in main to setup program_name */ - /* Declaritions for functions in just_display.c */ +/* Declarations for functions in dsimple.c */ char *Malloc(unsigned); char *Realloc(char *, int); -char *Get_Display_Name(int *, char **); -Display *Open_Display(char *); void Setup_Display_And_Screen(int *, char **); void Close_Display(void); -XFontStruct *Open_Font(char *); -void Beep(void); -Pixmap ReadBitmapFile(Drawable, char *, int *, int *, int *, int *); -void WriteBitmapFile(char *, Pixmap, int, int, int, int); -Window Select_Window_Args(int *, char **); void usage(void); #define X_USAGE "[host:display]" /* X arguments handled by Get_Display_Name */ -/* - * Other_stuff.h: Definitions of routines in other_stuff. - * - * Written by Mark Lillibridge. Last updated 7/1/87 - * - * Send bugs, etc. to chariot@athena.mit.edu. - */ - -unsigned long Resolve_Color(Window, char *); -Pixmap Bitmap_To_Pixmap(Display *, Drawable, GC, Pixmap, int, int); -Window Select_Window(Display *); -void blip(void); -Window Window_With_Name(Display *, Window, char *); #ifdef __GNUC__ void Fatal_Error(char *, ...) __attribute__((__noreturn__)); #else void Fatal_Error(char *, ...); #endif -void outl(char *, ...); |