Merge pull request #267 from jklein24/mouseevents

Forward mouseevents to the terminal when appropriate.

1 files changed, 74 insertions, 2 deletions

diff --git a/app/src/main/java/de/mud/terminal/vt320.java b/app/src/main/java/de/mud/terminal/vt320.java
index 73369af..ab4a90d 100644
--- a/app/src/main/java/de/mud/terminal/vt320.java
+++ b/app/src/main/java/de/mud/terminal/vt320.java
@@ -336,6 +336,10 @@ public void setScreenSize(int c, int r, boolean broadcast) {
     this(80, 24);
   }
 
+  public boolean isMouseReportEnabled() {
+    return mouserpt != 0;
+  }
+
   /**
    * Terminal is mouse-aware and requires (x,y) coordinates of
    * on the terminal (character coordinates) and the button clicked.
@@ -372,13 +376,81 @@ public void setScreenSize(int c, int r, boolean broadcast) {
   }
 
   /**
+   * Passes mouse wheel events to the terminal.
+   * @param down True if scrolling down the page. False if scrolling up.
+   * @param x
+   * @param y
+   * @param ctrl
+   * @param shift
+   * @param meta
+   */
+  public void mouseWheel(boolean down, int x, int y, boolean ctrl, boolean shift, boolean meta) {
+    if (mouserpt == 0 || mouserpt == 9)
+      return;
+
+    int mods = 0;
+    if (ctrl) mods |= 16;
+    if (shift) mods |= 4;
+    if (meta) mods |= 8;
+
+    int mousecode = ((down ? 0 : 1) + 96) | 0x20 | mods;
+
+    byte b[] = new byte[6];
+
+    b[0] = 27;
+    b[1] = (byte) '[';
+    b[2] = (byte) 'M';
+    b[3] = (byte) mousecode;
+    b[4] = (byte) (0x20 + x + 1);
+    b[5] = (byte) (0x20 + y + 1);
+
+    write(b); // FIXME: writeSpecial here
+  }
+
+  /**
+   * Passes mouse move events to the terminal.
+   * @param button The mouse button pressed. 3 indicates no button is pressed.
+   * @param x
+   * @param y
+   * @param ctrl
+   * @param shift
+   * @param meta
+   */
+  public void mouseMoved(int button, int x, int y, boolean ctrl, boolean shift, boolean meta) {
+    if (mouserpt != 1002 && mouserpt != 1003)
+      return;
+
+    // 1002 only reports drags. 1003 reports any movement.
+    if (mouserpt == 1002 && button == 3)
+      return;
+
+    int mods = 0;
+    if (ctrl) mods |= 16;
+    if (shift) mods |= 4;
+    if (meta) mods |= 8;
+
+    // Normal mouse code plus additional 32 to indicate movement.
+    int mousecode = (button + 0x40) | mods;
+
+    byte b[] = new byte[6];
+
+    b[0] = 27;
+    b[1] = (byte) '[';
+    b[2] = (byte) 'M';
+    b[3] = (byte) mousecode;
+    b[4] = (byte) (0x20 + x + 1);
+    b[5] = (byte) (0x20 + y + 1);
+
+    write(b); // FIXME: writeSpecial here
+  }
+
+  /**
    * Terminal is mouse-aware and requires the coordinates and button
    * of the release.
    * @param x
    * @param y
-   * @param modifiers
    */
-  public void mouseReleased(int x, int y, int modifiers) {
+  public void mouseReleased(int x, int y) {
     if (mouserpt == 0)
       return;