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Native Libraries: moved code to JNIUtils.cpp and *MessageDialog.cpp

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This commit is contained in:
Karl Tauber
2025-01-14 16:29:27 +01:00
parent 078e59a443
commit 07fc190b5f
10 changed files with 405 additions and 189 deletions
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70
flatlaf-natives/flatlaf-natives-linux/src/main/cpp/GtkFileChooser.cpp
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@@ -19,6 +19,7 @@
#include <gtk/gtk.h>
#include <gdk/gdkx.h>
#include <glib/gi18n.h>
#include "JNIUtils.h"
#include "com_formdev_flatlaf_ui_FlatNativeLinuxLibrary.h"
/**
@@ -32,26 +33,6 @@ extern Window getWindowHandle( JNIEnv* env, JAWT* awt, jobject window, Display**
// declare internal methods
static jobjectArray fileListToStringArray( JNIEnv* env, GSList* fileList );
//---- class AutoReleaseStringUTF8 --------------------------------------------
class AutoReleaseStringUTF8 {
JNIEnv* env;
jstring javaString;
const char* chars;
public:
AutoReleaseStringUTF8( JNIEnv* _env, jstring _javaString ) {
env = _env;
javaString = _javaString;
chars = (javaString != NULL) ? env->GetStringUTFChars( javaString, NULL ) : NULL;
}
~AutoReleaseStringUTF8() {
if( chars != NULL )
env->ReleaseStringUTFChars( javaString, chars );
}
operator const gchar*() { return chars; }
};
//---- helper -----------------------------------------------------------------
#define isOptionSet( option ) ((optionsSet & com_formdev_flatlaf_ui_FlatNativeLinuxLibrary_ ## option) != 0)
@@ -293,52 +274,3 @@ static jobjectArray fileListToStringArray( JNIEnv* env, GSList* fileList ) {
g_slist_free( fileList );
return array;
}
extern "C"
JNIEXPORT jint JNICALL Java_com_formdev_flatlaf_ui_FlatNativeLinuxLibrary_showMessageDialog
( JNIEnv* env, jclass cls, jlong hwndParent, jint messageType, jstring primaryText, jstring secondaryText,
jint defaultButton, jobjectArray buttons )
{
GtkWindow* window = (GtkWindow*) hwndParent;
// convert message type
GtkMessageType gmessageType;
switch( messageType ) {
case /* JOptionPane.ERROR_MESSAGE */ 0: gmessageType = GTK_MESSAGE_ERROR; break;
case /* JOptionPane.INFORMATION_MESSAGE */ 1: gmessageType = GTK_MESSAGE_INFO; break;
case /* JOptionPane.WARNING_MESSAGE */ 2: gmessageType = GTK_MESSAGE_WARNING; break;
case /* JOptionPane.QUESTION_MESSAGE */ 3: gmessageType = GTK_MESSAGE_QUESTION; break;
default:
case /* JOptionPane.PLAIN_MESSAGE */ -1: gmessageType = GTK_MESSAGE_OTHER; break;
}
// convert Java strings to C strings
AutoReleaseStringUTF8 cprimaryText( env, primaryText );
AutoReleaseStringUTF8 csecondaryText( env, secondaryText );
// create GTK file chooser dialog
// https://docs.gtk.org/gtk3/class.MessageDialog.html
jint buttonCount = env->GetArrayLength( buttons );
GtkWidget* dialog = gtk_message_dialog_new( window, GTK_DIALOG_MODAL, gmessageType,
(buttonCount > 0) ? GTK_BUTTONS_NONE : GTK_BUTTONS_OK,
"%s", (const gchar*) cprimaryText );
if( csecondaryText != NULL )
gtk_message_dialog_format_secondary_text( GTK_MESSAGE_DIALOG( dialog ), "%s", (const gchar*) csecondaryText );
// add buttons
for( int i = 0; i < buttonCount; i++ ) {
AutoReleaseStringUTF8 str( env, (jstring) env->GetObjectArrayElement( buttons, i ) );
gtk_dialog_add_button( GTK_DIALOG( dialog ), str, i );
}
// set default button
gtk_dialog_set_default_response( GTK_DIALOG( dialog ), MIN( MAX( defaultButton, 0 ), buttonCount - 1 ) );
// show message dialog
gint responseID = gtk_dialog_run( GTK_DIALOG( dialog ) );
gtk_widget_destroy( dialog );
// return -1 if closed with ESC key
return (responseID >= 0) ? responseID : -1;
}

76
flatlaf-natives/flatlaf-natives-linux/src/main/cpp/GtkMessageDialog.cpp Normal file
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@@ -0,0 +1,76 @@
/*
* Copyright 2025 FormDev Software GmbH
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <jawt.h>
#include <linux/jawt_md.h>
#include <gtk/gtk.h>
#include <gdk/gdkx.h>
#include <glib/gi18n.h>
#include "JNIUtils.h"
#include "com_formdev_flatlaf_ui_FlatNativeLinuxLibrary.h"
/**
* @author Karl Tauber
* @since 3.6
*/
extern "C"
JNIEXPORT jint JNICALL Java_com_formdev_flatlaf_ui_FlatNativeLinuxLibrary_showMessageDialog
( JNIEnv* env, jclass cls, jlong hwndParent, jint messageType, jstring primaryText, jstring secondaryText,
jint defaultButton, jobjectArray buttons )
{
GtkWindow* window = (GtkWindow*) hwndParent;
// convert message type
GtkMessageType gmessageType;
switch( messageType ) {
case /* JOptionPane.ERROR_MESSAGE */ 0: gmessageType = GTK_MESSAGE_ERROR; break;
case /* JOptionPane.INFORMATION_MESSAGE */ 1: gmessageType = GTK_MESSAGE_INFO; break;
case /* JOptionPane.WARNING_MESSAGE */ 2: gmessageType = GTK_MESSAGE_WARNING; break;
case /* JOptionPane.QUESTION_MESSAGE */ 3: gmessageType = GTK_MESSAGE_QUESTION; break;
default:
case /* JOptionPane.PLAIN_MESSAGE */ -1: gmessageType = GTK_MESSAGE_OTHER; break;
}
// convert Java strings to C strings
AutoReleaseStringUTF8 cprimaryText( env, primaryText );
AutoReleaseStringUTF8 csecondaryText( env, secondaryText );
// create GTK file chooser dialog
// https://docs.gtk.org/gtk3/class.MessageDialog.html
jint buttonCount = env->GetArrayLength( buttons );
GtkWidget* dialog = gtk_message_dialog_new( window, GTK_DIALOG_MODAL, gmessageType,
(buttonCount > 0) ? GTK_BUTTONS_NONE : GTK_BUTTONS_OK,
"%s", (const gchar*) cprimaryText );
if( csecondaryText != NULL )
gtk_message_dialog_format_secondary_text( GTK_MESSAGE_DIALOG( dialog ), "%s", (const gchar*) csecondaryText );
// add buttons
for( int i = 0; i < buttonCount; i++ ) {
AutoReleaseStringUTF8 str( env, (jstring) env->GetObjectArrayElement( buttons, i ) );
gtk_dialog_add_button( GTK_DIALOG( dialog ), str, i );
}
// set default button
gtk_dialog_set_default_response( GTK_DIALOG( dialog ), MIN( MAX( defaultButton, 0 ), buttonCount - 1 ) );
// show message dialog
gint responseID = gtk_dialog_run( GTK_DIALOG( dialog ) );
gtk_widget_destroy( dialog );
// return -1 if closed with ESC key
return (responseID >= 0) ? responseID : -1;
}

37
flatlaf-natives/flatlaf-natives-linux/src/main/cpp/JNIUtils.cpp Normal file
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@@ -0,0 +1,37 @@
/*
* Copyright 2024 FormDev Software GmbH
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// avoid inlining of printf()
#define _NO_CRT_STDIO_INLINE
#include "JNIUtils.h"
/**
* @author Karl Tauber
*/
//---- class AutoReleaseStringUTF8 --------------------------------------------
AutoReleaseStringUTF8::AutoReleaseStringUTF8( JNIEnv* _env, jstring _javaString ) {
env = _env;
javaString = _javaString;
chars = (javaString != NULL) ? env->GetStringUTFChars( javaString, NULL ) : NULL;
}
AutoReleaseStringUTF8::~AutoReleaseStringUTF8() {
if( chars != NULL )
env->ReleaseStringUTFChars( javaString, chars );
}

36
flatlaf-natives/flatlaf-natives-linux/src/main/headers/JNIUtils.h Normal file
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@@ -0,0 +1,36 @@
/*
* Copyright 2025 FormDev Software GmbH
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <gtk/gtk.h>
#include <jni.h>
/**
* @author Karl Tauber
*/
//---- class AutoReleaseStringUTF8 --------------------------------------------
class AutoReleaseStringUTF8 {
JNIEnv* env;
jstring javaString;
const char* chars;
public:
AutoReleaseStringUTF8( JNIEnv* _env, jstring _javaString );
~AutoReleaseStringUTF8();
operator const gchar*() { return chars; }
};