Changeset 552b69f in mainline for uspace/lib/ui/src/ui.c

Timestamp:

2021-11-03T20:56:59Z (4 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

1aa8c86

Parents:

ec8a1bf

Message:

Dual-mode applications should automatically fall back to console

File:

• uspace/lib/ui/src/ui.c (modified) (6 diffs)

uspace/lib/ui/src/ui.c

@@ -69 +69 @@
         const char *cp;
 
-        if (ospec == UI_DISPLAY_DEFAULT) {
-                *ws = ui_ws_display;
-                *osvc = DISPLAY_DEFAULT;
-                return;
-        }
-
         cp = ospec;
         while (isalpha(*cp))
@@ -86 +80 @@
                 } else if (str_lcmp(ospec, "null@", str_length("null@")) == 0) {
                         *ws = ui_ws_null;
+                } else if (str_lcmp(ospec, "@", str_length("@")) == 0) {
+                        *ws = ui_ws_any;
                 } else {
                         *ws = ui_ws_unknown;
@@ -123 +119 @@
         ui_ospec_parse(ospec, &ws, &osvc);
 
-        if (ws == ui_ws_display) {
-                rc = display_open(osvc, &display);
+        if (ws == ui_ws_display || ws == ui_ws_any) {
+                rc = display_open(osvc != NULL ? osvc : DISPLAY_DEFAULT,
+                    &display);
                 if (rc != EOK)
-                        return rc;
+                        goto disp_fail;
 
                 rc = ui_create_disp(display, &ui);
                 if (rc != EOK) {
                         display_close(display);
-                        return rc;
-                }
-        } else if (ws == ui_ws_console) {
+                        goto disp_fail;
+                }
+
+                ui->myoutput = true;
+                *rui = ui;
+                return EOK;
+        }
+
+disp_fail:
+        if (ws == ui_ws_console || ws == ui_ws_any) {
                 console = console_init(stdin, stdout);
                 if (console == NULL)
-                        return EIO;
+                        goto cons_fail;
 
                 rc = console_get_size(console, &cols, &rows);
                 if (rc != EOK) {
                         console_done(console);
-                        return rc;
+                        goto cons_fail;
                 }
 
@@ -150 +154 @@
                 if (rc != EOK) {
                         console_done(console);
-                        return rc;
+                        goto cons_fail;
                 }
 
@@ -157 +161 @@
                         ui_destroy(ui);
                         console_done(console);
-                        return rc;
+                        goto cons_fail;
                 }
 
@@ -167 +171 @@
 
                 (void) ui_paint(ui);
-        } else if (ws == ui_ws_null) {
+                ui->myoutput = true;
+                *rui = ui;
+                return EOK;
+        }
+
+cons_fail:
+        if (ws == ui_ws_null) {
                 rc = ui_create_disp(NULL, &ui);
                 if (rc != EOK)
                         return rc;
-        } else {
-                return EINVAL;
-        }
-
-        ui->myoutput = true;
-        *rui = ui;
-        return EOK;
+
+                ui->myoutput = true;
+                *rui = ui;
+                return EOK;
+        }
+
+        return EINVAL;
 }