#16 Refactor Swing backend, demo of multiple TApplications in one Swing frame

[fanfix.git] / src / jexer / backend / SwingSessionInfo.java

diff --git a/src/jexer/backend/SwingSessionInfo.java b/src/jexer/backend/SwingSessionInfo.java
new file mode 100644 (file)
index 0000000..7df751d
--- /dev/null
+++ b/src/jexer/backend/SwingSessionInfo.java
@@ -0,0 +1,175 @@
+/*
+ * Jexer - Java Text User Interface
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (C) 2017 Kevin Lamonte
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * @author Kevin Lamonte [kevin.lamonte@gmail.com]
+ * @version 1
+ */
+package jexer.backend;
+
+import java.awt.Insets;
+
+/**
+ * SwingSessionInfo provides a session implementation with a callback into
+ * Swing to support queryWindowSize().  The username is blank, language is
+ * "en_US", with a 80x25 text window.
+ */
+public final class SwingSessionInfo implements SessionInfo {
+
+    /**
+     * The Swing JFrame or JComponent.
+     */
+    private SwingComponent swing;
+
+    /**
+     * The width of a text cell in pixels.
+     */
+    private int textWidth = 10;
+
+    /**
+     * The height of a text cell in pixels.
+     */
+    private int textHeight = 10;
+
+    /**
+     * User name.
+     */
+    private String username = "";
+
+    /**
+     * Language.
+     */
+    private String language = "en_US";
+
+    /**
+     * Text window width.
+     */
+    private int windowWidth = 80;
+
+    /**
+     * Text window height.
+     */
+    private int windowHeight = 25;
+
+    /**
+     * Username getter.
+     *
+     * @return the username
+     */
+    public String getUsername() {
+        return this.username;
+    }
+
+    /**
+     * Username setter.
+     *
+     * @param username the value
+     */
+    public void setUsername(final String username) {
+        this.username = username;
+    }
+
+    /**
+     * Language getter.
+     *
+     * @return the language
+     */
+    public String getLanguage() {
+        return this.language;
+    }
+
+    /**
+     * Language setter.
+     *
+     * @param language the value
+     */
+    public void setLanguage(final String language) {
+        this.language = language;
+    }
+
+    /**
+     * Text window width getter.
+     *
+     * @return the window width
+     */
+    public int getWindowWidth() {
+        return windowWidth;
+    }
+
+    /**
+     * Text window height getter.
+     *
+     * @return the window height
+     */
+    public int getWindowHeight() {
+        return windowHeight;
+    }
+
+    /**
+     * Set the dimensions of a single text cell.
+     *
+     * @param textWidth the width of a cell in pixels
+     * @param textHeight the height of a cell in pixels
+     */
+    public void setTextCellDimensions(final int textWidth,
+        final int textHeight) {
+
+        this.textWidth  = textWidth;
+        this.textHeight = textHeight;
+    }
+
+    /**
+     * Public constructor.
+     *
+     * @param swing the Swing JFrame or JComponent
+     * @param textWidth the width of a cell in pixels
+     * @param textHeight the height of a cell in pixels
+     */
+    public SwingSessionInfo(final SwingComponent swing, final int textWidth,
+        final int textHeight) {
+
+        this.swing      = swing;
+        this.textWidth  = textWidth;
+        this.textHeight = textHeight;
+    }
+
+    /**
+     * Re-query the text window size.
+     */
+    public void queryWindowSize() {
+        Insets insets = swing.getInsets();
+        int width = swing.getWidth() - insets.left - insets.right;
+        int height = swing.getHeight() - insets.top - insets.bottom;
+        windowWidth = width / textWidth;
+        windowHeight = height / textHeight;
+
+        /*
+        System.err.printf("queryWindowSize(): frame %d %d window %d %d\n",
+            swing.getWidth(), swing.getHeight(),
+            windowWidth, windowHeight);
+        */
+
+    }
+
+}