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#include "mit-copyright.h"#include "X_driver.h"#include <X11/Xresource.h>#include "formatter.h"#include "mux.h"#include "variables.h"#include "error.h"#include "X_gram.h"#include "xselect.h"#include "ulong_dictionary.h"Go to the source code of this file.
Defines | |
| #define | APPNAME "jwgc" |
| #define | APPCLASS "Jwgc" |
| #define | NUMBER_OF_OPTIONS ((sizeof (cmd_options))/ sizeof(cmd_options[0])) |
Functions | |
| void | xshowinit () |
| char * | get_string_resource (string name, string class) |
| int | get_bool_resource (string name, string class, int default_value) |
| unsigned long | x_string_to_color (char *name, unsigned long def) |
| int | open_display_and_load_resources (int *pargc, char **argv) |
| int | X_driver_ioerror (Display *display) |
| void | x_get_input () |
| int | X_driver_init (char *drivername, char notfirst, int *pargc, char **argv) |
| void | X_driver_reset () |
| char * | X_driver (string text) |
Variables | |
| char * | app_instance |
| Display * | dpy = NULL |
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Definition at line 57 of file X_driver.c. Referenced by get_string_resource(). |
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Definition at line 49 of file X_driver.c. Referenced by get_string_resource(), and open_display_and_load_resources(). |
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Definition at line 229 of file X_driver.c. Referenced by open_display_and_load_resources(). |
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Definition at line 129 of file X_driver.c. References get_string_resource(). 00133 {
00134 int result;
00135 char *temp;
00136
00137 if (!(temp = get_string_resource(name, class)))
00138 return (default_value);
00139
00140 result = convert_string_to_bool(temp);
00141 if (result == -1)
00142 result = default_value;
00143
00144 return (result);
00145 }
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Definition at line 97 of file X_driver.c. References APPCLASS, APPNAME, string, string_Concat, string_Concat2, and string_Neq. 00100 {
00101 string full_name, full_class;
00102 int status;
00103 char *type;
00104 XrmValue value;
00105
00106 full_name = string_Concat(APPNAME, ".");
00107 full_name = string_Concat2(full_name, name);
00108 full_class = string_Concat(APPCLASS, ".");
00109 full_class = string_Concat2(full_class, class);
00110
00111 status = XrmGetResource(x_resources, full_name, full_class, &type, &value);
00112 free(full_name);
00113 free(full_class);
00114
00115 if (status != True)
00116 return (NULL);
00117
00118 if (string_Neq(type, "String"))
00119 return (NULL);
00120
00121 return (value.addr);
00122 }
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Definition at line 236 of file X_driver.c. References APPNAME, dpy, get_string_resource(), getenv(), and NUMBER_OF_OPTIONS. Referenced by X_driver_init(). 00239 {
00240 XrmDatabase temp_db1, temp_db2, temp_db3;
00241 char *filename, *res, *xdef;
00242 char dbasename[128];
00243 extern char *getenv();
00244
00245 /* Initialize X resource manager: */
00246 XrmInitialize();
00247
00248 /*
00249 * Parse X toolkit command line arguments (including -display)
00250 * into resources:
00251 */
00252 XrmParseCommand(&x_resources, cmd_options, NUMBER_OF_OPTIONS, APPNAME,
00253 pargc, argv);
00254
00255 /*
00256 * Try and open the display using the display specified if given.
00257 * If can't open the display, return an error code.
00258 */
00259 dpy = XOpenDisplay(get_string_resource("display", "display"));
00260 if (!dpy)
00261 return (1);
00262
00263 /* Read in our application-specific resources: */
00264 sprintf(dbasename, "%s/jwgc_resources", DATADIR);
00265 temp_db1 = XrmGetFileDatabase(dbasename);
00266
00267 /*
00268 * Get resources from the just opened display:
00269 */
00270 xdef = XResourceManagerString(dpy);
00271 if (xdef)
00272 temp_db2 = XrmGetStringDatabase(xdef);
00273 else
00274 temp_db2 = NULL;
00275
00276 /*
00277 * Merge the 4 sets of resources together such that when searching
00278 * for resources, they are checking in the following order:
00279 * command arguments, XENVIRONMENT resources, server resources,
00280 * application resources
00281 */
00282 XrmMergeDatabases(temp_db2, &temp_db1);
00283
00284 #if XlibSpecificationRelease > 4
00285 /* X11 R5 per-screen resources */
00286 res = XScreenResourceString(DefaultScreenOfDisplay(dpy));
00287 if (res != NULL)
00288 XrmMergeDatabases(XrmGetStringDatabase(res), &temp_db1);
00289 #endif
00290
00291 /*
00292 * Get XENVIRONMENT resources, if they exist, and merge
00293 */
00294 if ((filename = getenv("XENVIRONMENT"))) {
00295 temp_db3 = XrmGetFileDatabase(filename);
00296 XrmMergeDatabases(temp_db3, &temp_db1);
00297 }
00298 XrmMergeDatabases(x_resources, &temp_db1);
00299 x_resources = temp_db1;
00300
00301 return (0);
00302 }
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Definition at line 388 of file X_driver.c. References desctype, disp_get_cmds(), dpy, free_desc(), string, string_Copy, and xshow(). 00390 {
00391 string text_copy;
00392 desctype *desc;
00393 int numstr, numnl;
00394
00395 text_copy = string_Copy(text);
00396 desc = disp_get_cmds(text_copy, &numstr, &numnl);
00397
00398 xshow(dpy, desc, numstr, numnl);
00399
00400 free(text_copy);
00401 free_desc(desc);
00402 return (NULL);
00403 }
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Definition at line 332 of file X_driver.c. References app_instance, dpy, ERROR, get_bool_resource(), get_string_resource(), mux_add_input_source(), open_display_and_load_resources(), string, string_Copy, ulong_dictionary_Create(), var_set_variable(), X_driver_ioerror(), x_get_input(), x_gram_init(), xicccmInitAtoms(), and xshowinit(). 00337 {
00338 string temp;
00339 int sync;
00340
00341 /*
00342 * Attempt to open display and read resources, including from the
00343 * command line. If fail, exit with error code, disabling this
00344 * driver:
00345 */
00346 if (open_display_and_load_resources(pargc, argv)) {
00347 ERROR("Unable to open X display -- disabling X driver.\n");
00348 return (1);
00349 }
00350
00351 XSetIOErrorHandler(X_driver_ioerror);
00352
00353 /*
00354 * For now, set some useful variables using resources:
00355 */
00356 if ((sync = get_bool_resource("synchronous", "Synchronous", 0)))
00357 XSynchronize(dpy, sync);
00358 if ((temp = get_string_resource("geometry", "Geometry")))
00359 var_set_variable("default_X_geometry", temp);
00360
00361 temp = strrchr(argv[0], '/');
00362
00363 app_instance = string_Copy(temp ? temp + 1 : argv[0]);
00364
00365 color_dict = ulong_dictionary_Create(37);
00366
00367 xshowinit();
00368 x_gram_init(dpy);
00369 xicccmInitAtoms(dpy);
00370
00371 mux_add_input_source(ConnectionNumber(dpy), x_get_input, dpy);
00372
00373 return (0);
00374 }
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Definition at line 316 of file X_driver.c. References ERROR2. Referenced by X_driver_init(). 00318 {
00319 ERROR2("X IO error on display '%s'--exiting\n", DisplayString(display));
00320 exit(1);
00321 }
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Definition at line 377 of file X_driver.c. 00378 {
00379 }
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Referenced by X_driver_init(), and x_gram_create(). |
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Definition at line 161 of file X_driver.c. References dpy, ERROR2, ulong_dictionary_binding, ulong_dictionary_Define(), ulong_dictionary_Delete(), and _ulong_dictionary_binding::value. 00164 {
00165 ulong_dictionary_binding *binding;
00166 int exists;
00167 XColor xc;
00168
00169 if (name == NULL)
00170 return (def);
00171
00172 binding = ulong_dictionary_Define(color_dict, name, &exists);
00173
00174 if (exists) {
00175 return ((unsigned long) binding->value);
00176 }
00177 else {
00178 if (XParseColor(dpy, DefaultColormapOfScreen(DefaultScreenOfDisplay(dpy)),
00179 name, &xc)) {
00180 if (XAllocColor(dpy,
00181 DefaultColormapOfScreen(DefaultScreenOfDisplay(dpy)),
00182 &xc)) {
00183 binding->value = (ulong) xc.pixel;
00184 return (xc.pixel);
00185 }
00186 else {
00187 ERROR2("Error in XAllocColor on \"%s\": using default color\n",
00188 name);
00189 }
00190 }
00191 else {
00192 ERROR2("Error in XParseColor on \"%s\": using default color\n",
00193 name);
00194 }
00195 ulong_dictionary_Delete(color_dict, binding);
00196 return (def);
00197 }
00198 /* NOTREACHED */
00199 }
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Definition at line 34 of file xshow.c. Referenced by X_driver_init(). 00035 {
00036 desc_context = XUniqueContext();
00037 }
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Definition at line 29 of file X_driver.c. Referenced by X_driver_init(). |
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Definition at line 36 of file X_driver.c. Referenced by end_xerror_trap(), fixup_and_draw(), get_font(), getLastEvent(), open_display_and_load_resources(), X_driver(), X_driver_init(), x_get_input(), x_gram_create(), x_gram_draw(), x_gram_expose(), x_gram_init(), x_set_icccm_hints(), x_string_to_color(), xcut(), xdestroygram(), xicccmInitAtoms(), xmarkExpose(), xmarkRedraw(), xselGetOwnership(), xselGiveUpOwnership(), xselProcessSelection(), xshow(), and xunmark(). |
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