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- Added Terminal.supportsTextAttributes(), supportsColor() and supportCursorMotion().

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- Changed semantics for Terminal.normal(), bold(), foreground() and reset() so that they are no-ops when not supported.
- Fixed test app not to blow up on unsupported capability.
This commit is contained in:
Adam Murdoch
2012-08-10 06:00:05 +10:00
parent 0180d2f035
commit ec2eb737a6
9 changed files with 282 additions and 186 deletions
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38
src/main/cpp/posix.cpp
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@@ -115,9 +115,9 @@ int write_to_terminal(TERMINAL_CHAR_TYPE ch) {
const char* getcap(const char* capability) {
char* cap = tgetstr((char*)capability, NULL);
if (cap == NULL) {
printf("unknown capability '%s'\n", capability);
}
// if (cap == NULL) {
// printf("unknown capability '%s'\n", capability);
// }
return cap;
}
@@ -151,7 +151,7 @@ void write_param_capability(JNIEnv *env, const char* capability, int count, jobj
}
JNIEXPORT void JNICALL
Java_net_rubygrapefruit_platform_internal_jni_TerminfoFunctions_initTerminal(JNIEnv *env, jclass target, jint output, jobject result) {
Java_net_rubygrapefruit_platform_internal_jni_TerminfoFunctions_initTerminal(JNIEnv *env, jclass target, jint output, jobject capabilities, jobject result) {
if (!isatty(output+1)) {
mark_failed_with_message(env, "not a terminal", result);
return;
@@ -167,18 +167,42 @@ Java_net_rubygrapefruit_platform_internal_jni_TerminfoFunctions_initTerminal(JNI
mark_failed_with_message(env, "could not get termcap entry", result);
return;
}
jclass destClass = env->GetObjectClass(capabilities);
jfieldID field = env->GetFieldID(destClass, "terminalName", "Ljava/lang/String;");
jstring jtermType = env->NewStringUTF(termType);
env->SetObjectField(capabilities, field, jtermType);
// Text attributes
terminal_capabilities[NORMAL_TEXT] = getcap("me");
terminal_capabilities[BRIGHT_TEXT] = getcap("md");
field = env->GetFieldID(destClass, "textAttributes", "Z");
env->SetBooleanField(capabilities, field, terminal_capabilities[NORMAL_TEXT] != NULL && terminal_capabilities[BRIGHT_TEXT] != NULL);
// Colors
terminal_capabilities[FOREGROUND_COLOR] = getcap("AF");
field = env->GetFieldID(destClass, "colors", "Z");
env->SetBooleanField(capabilities, field, terminal_capabilities[FOREGROUND_COLOR] != NULL);
// Cursor motion
terminal_capabilities[CURSOR_UP] = getcap("up");
terminal_capabilities[CURSOR_DOWN] = getcap("do");
terminal_capabilities[CURSOR_LEFT] = getcap("le");
terminal_capabilities[CURSOR_RIGHT] = getcap("nd");
terminal_capabilities[CURSOR_START_LINE] = getcap("cr");
terminal_capabilities[CLEAR_END_OF_LINE] = getcap("ce");
field = env->GetFieldID(destClass, "cursorMotion", "Z");
env->SetBooleanField(capabilities, field, terminal_capabilities[CURSOR_UP] != NULL
&& terminal_capabilities[CURSOR_DOWN] != NULL
&& terminal_capabilities[CURSOR_RIGHT] != NULL
&& terminal_capabilities[CURSOR_LEFT] != NULL
&& terminal_capabilities[CURSOR_START_LINE] != NULL
&& terminal_capabilities[CLEAR_END_OF_LINE] != NULL);
}
current_terminal = output + 1;
write_capability(env, terminal_capabilities[NORMAL_TEXT], result);
if (terminal_capabilities[NORMAL_TEXT] != NULL) {
write_capability(env, terminal_capabilities[NORMAL_TEXT], result);
}
}
JNIEXPORT void JNICALL
@@ -188,7 +212,9 @@ Java_net_rubygrapefruit_platform_internal_jni_TerminfoFunctions_bold(JNIEnv *env
JNIEXPORT void JNICALL
Java_net_rubygrapefruit_platform_internal_jni_TerminfoFunctions_reset(JNIEnv *env, jclass target, jobject result) {
write_capability(env, terminal_capabilities[NORMAL_TEXT], result);
if (terminal_capabilities[NORMAL_TEXT] != NULL) {
write_capability(env, terminal_capabilities[NORMAL_TEXT], result);
}
}
JNIEXPORT void JNICALL