Support looking up definitions for buttons and inputs.

3 files changed, 75 insertions, 7 deletions

diff --git a/ext/fg/js/client.js b/ext/fg/js/client.js
index 37377984..bb0d3749 100644
--- a/ext/fg/js/client.js
+++ b/ext/fg/js/client.js
@@ -80,8 +80,15 @@ class Client {
 
     textSourceFromPoint(point) {
         const element = document.elementFromPoint(point.x, point.y);
-        if (element !== null && element.nodeName === 'IMG') {
-            return new TextSourceImage(element);
+        if (element !== null) {
+            switch (element.nodeName) {
+                case 'IMG':
+                    return new TextSourceImage(element);
+                case 'INPUT':
+                case 'BUTTON':
+                case 'TEXTAREA':
+                    return new TextSourceInput(element);
+            }
         }
 
         const range = document.caretRangeFromPoint(point.x, point.y);
diff --git a/ext/fg/js/popup.js b/ext/fg/js/popup.js
index 11b25d8f..78106319 100644
--- a/ext/fg/js/popup.js
+++ b/ext/fg/js/popup.js
@@ -58,12 +58,14 @@ class Popup {
     }
 
     setContent(content) {
-        if (this.popup !== null) {
-            const doc = this.popup.contentDocument;
-            doc.open();
-            doc.write(content);
-            doc.close();
+        if (this.popup === null) {
+            return;
         }
+
+        const doc = this.popup.contentDocument;
+        doc.open();
+        doc.write(content);
+        doc.close();
     }
 
     sendMessage(action, params, callback) {
diff --git a/ext/fg/js/source-input.js b/ext/fg/js/source-input.js
new file mode 100644
index 00000000..0bea977b
--- /dev/null
+++ b/ext/fg/js/source-input.js
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2016  Alex Yatskov <alex@foosoft.net>
+ * Author: Alex Yatskov <alex@foosoft.net>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+class TextSourceInput {
+    constructor(input) {
+        this.input = input;
+        this.length = -1;
+    }
+
+    text() {
+        const text = this.textRaw();
+        return this.length < 0 ? text : text.substring(0, this.length);
+    }
+
+    textRaw() {
+        return this.input.nodeName === 'BUTTON' ? this.input.innerHTML : this.input.value;
+    }
+
+    setLength(length) {
+        this.length = length;
+    }
+
+    containsPoint(point) {
+        const rect = this.getRect();
+        return point.x >= rect.left && point.x <= rect.right;
+    }
+
+    getRect() {
+        return this.input.getBoundingClientRect();
+    }
+
+    select() {
+        // NOP
+    }
+
+    deselect() {
+        // NOP
+    }
+
+    equals(other) {
+        return other.input && other.textRaw() == this.textRaw();
+    }
+}