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Implemented Terminal.bold(), foreground(), normal() and reset().

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This commit is contained in:
Adam Murdoch
2012-08-04 14:08:19 +10:00
parent e9b300f610
commit 7ee843612a
9 changed files with 196 additions and 24 deletions
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86
src/main/cpp/win.cpp
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@@ -70,4 +70,90 @@ Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_getConsole
env->SetIntField(dimension, heightField, console_info.srWindow.Bottom - console_info.srWindow.Top + 1);
}
HANDLE current_console = NULL;
WORD original_attributes = 0;
WORD current_attributes = 0;
JNIEXPORT void JNICALL
Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_initConsole(JNIEnv *env, jclass target, jint output, jobject result) {
CONSOLE_SCREEN_BUFFER_INFO console_info;
HANDLE handle = getHandle(env, output, result);
if (handle == NULL) {
mark_failed_with_message(env, "not a terminal", result);
return;
}
if (!GetConsoleScreenBufferInfo(handle, &console_info)) {
if (GetLastError() == ERROR_INVALID_HANDLE) {
mark_failed_with_message(env, "not a console", result);
} else {
mark_failed_with_errno(env, "could not get console buffer", result);
}
return;
}
current_console = handle;
original_attributes = console_info.wAttributes;
current_attributes = original_attributes;
Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_normal(env, target, result);
}
JNIEXPORT void JNICALL
Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_bold(JNIEnv *env, jclass target, jobject result) {
current_attributes |= FOREGROUND_INTENSITY;
if (!SetConsoleTextAttribute(current_console, current_attributes)) {
mark_failed_with_errno(env, "could not set text attributes", result);
}
}
JNIEXPORT void JNICALL
Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_normal(JNIEnv *env, jclass target, jobject result) {
current_attributes &= ~FOREGROUND_INTENSITY;
SetConsoleTextAttribute(current_console, current_attributes);
if (!SetConsoleTextAttribute(current_console, current_attributes)) {
mark_failed_with_errno(env, "could not set text attributes", result);
}
}
JNIEXPORT void JNICALL
Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_reset(JNIEnv *env, jclass target, jobject result) {
SetConsoleTextAttribute(current_console, original_attributes);
if (!SetConsoleTextAttribute(current_console, current_attributes)) {
mark_failed_with_errno(env, "could not set text attributes", result);
}
}
JNIEXPORT void JNICALL
Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_foreground(JNIEnv *env, jclass target, jint color, jobject result) {
current_attributes &= ~ (FOREGROUND_BLUE|FOREGROUND_RED|FOREGROUND_GREEN);
switch (color) {
case 0:
break;
case 1:
current_attributes |= FOREGROUND_RED;
break;
case 2:
current_attributes |= FOREGROUND_GREEN;
break;
case 3:
current_attributes |= FOREGROUND_RED|FOREGROUND_GREEN;
break;
case 4:
current_attributes |= FOREGROUND_BLUE;
break;
case 5:
current_attributes |= FOREGROUND_RED|FOREGROUND_BLUE;
break;
case 6:
current_attributes |= FOREGROUND_GREEN|FOREGROUND_BLUE;
break;
default:
current_attributes |= FOREGROUND_RED|FOREGROUND_GREEN|FOREGROUND_BLUE;
break;
}
SetConsoleTextAttribute(current_console, current_attributes);
if (!SetConsoleTextAttribute(current_console, current_attributes)) {
mark_failed_with_errno(env, "could not set text attributes", result);
}
}
#endif