From 4ddda95f20280da40b0f9412d340119141f70d46 Mon Sep 17 00:00:00 2001
From: mathias <mathias>
Date: Sat, 7 May 2005 19:33:54 +0000
Subject: patch from vadim to fix the issues in input-areas he introduced with
 his last patch

---
 ChangeLog           |  6 ++++--
 src/FbTk/TextBox.cc | 60 ++++++++++++++++++++++++++++++++---------------------
 2 files changed, 40 insertions(+), 26 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 80f2913..6aeeecc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,8 @@
 (Format: Year/Month/Day)
 Changes for 0.9.13
 *05/05/07:
+  * Fix isses in patch from Vadim (thanx Vadim)
+    FbTk/TextBox.cc
   * Remove default "gray" background (Simon)
     FbTk/FbWindow.cc
   * Fix titlebar transparency in some (tabbed) cases (Simon)
@@ -11,7 +13,7 @@ Changes for 0.9.13
       Styleresources:
         window.shade.pixmap, window.shade.unfocus.pixmap, window.shade.pressed.pixmap
         window.unshade.pixmap, window.unshade.unfocus.pixmap, window.unshade.pressed.pixmap
-		etc.
+        etc.
     - MenuIcon - click on it provides the windowmenu, if the app
       contains a pixmap (gvim, konqueror etc etc) the pixmap is displayed, a
       little menu otherwise. 
@@ -26,7 +28,7 @@ Changes for 0.9.13
     Ewmh.hh/cc
   * Fix potential segfault menu bug, thanks chenfeng (Simon)
     Menu.cc
-  * Added more KeyActions to TextBox (thanx to Vadim <suhanov_vadim@mail.ru>
+  * Added more KeyActions to TextBox (thanx to Vadim <suhanov_vadim at mail dot ru>
       Control + LeftArrow  -> Moves cursor to the left direction, up to next word.
       Control + RightArrow -> to the right direction.
       Control + BackSpace  -> Removes everything from the cursor left side, up to next left word.
diff --git a/src/FbTk/TextBox.cc b/src/FbTk/TextBox.cc
index 8e54ec7..13417da 100644
--- a/src/FbTk/TextBox.cc
+++ b/src/FbTk/TextBox.cc
@@ -246,44 +246,54 @@ void TextBox::keyPressEvent(XKeyEvent &event) {
                 m_cursor_pos = 0;
                 m_end_pos = 0;
                 break;
-            case XK_Left:
-                if (m_cursor_pos && m_text.size()){
-                    m_cursor_pos = findEmptySpaceLeft();
+            case XK_Left: {
+                    int pos = findEmptySpaceLeft();
+                    if (pos < m_start_pos){
+                        m_start_pos  = pos;
+                        m_cursor_pos = 0;
+                    } else if (m_start_pos > 0) {
+                        m_cursor_pos = pos - m_start_pos;
+                    } else {
+                        m_cursor_pos = pos;
+                    }
                     adjustPos();
                 }
                 break;
             case XK_Right:
                 if (m_text.size() && m_cursor_pos < m_text.size()){
-                    m_cursor_pos = findEmptySpaceRight();
+                    int pos = findEmptySpaceRight() - m_start_pos;
+                    if (m_start_pos + pos <= m_end_pos)
+                        m_cursor_pos = pos;
+                    else if (m_end_pos < text().size()) {
+                        m_cursor_pos = pos;
+                        m_end_pos = pos;
+                    }
+
                     adjustPos();
+
                 }
                 break;
 
             case XK_BackSpace: {
-                    if (!m_cursor_pos || !m_text.size())
-                        break;
-
                     int pos = findEmptySpaceLeft();
-
-                    m_text.erase(pos, m_cursor_pos - pos);
-                    m_start_pos  = 0;
-                    m_cursor_pos = pos;
-                    m_end_pos    = m_text.size();
+                    m_text.erase(pos, m_cursor_pos - pos + m_start_pos);
+
+                    if (pos < m_start_pos){
+                        m_start_pos  = pos;
+                        m_cursor_pos = 0;
+                    } else if (m_start_pos > 0) {
+                        m_cursor_pos = pos - m_start_pos;
+                    } else {
+                        m_cursor_pos = pos;
+                    }
                     adjustPos();
                 }
                 break;
             case XK_Delete: {
-            
                     if (!m_text.size() || m_cursor_pos >= m_text.size())
                         break;
-
                     int pos = findEmptySpaceRight();
-
-                    m_text.erase(m_cursor_pos, pos - m_cursor_pos);
-                    m_start_pos  = 0;
-                    m_cursor_pos = m_cursor_pos;
-                    m_end_pos    = m_text.size();
-
+                    m_text.erase(m_cursor_pos + m_start_pos, pos - (m_cursor_pos + m_start_pos));
                     adjustPos();
                 }
                 break;
@@ -399,11 +409,12 @@ void TextBox::adjustStartPos() {
 int TextBox::findEmptySpaceLeft(){
 
     // found the first left space symbol
-    int pos = m_text.rfind(' ', m_cursor_pos - 1);
+    int pos = m_text.rfind(' ', (m_start_pos + m_cursor_pos) > 0 ? 
+                                 m_start_pos + m_cursor_pos - 1 : 0);
 
     // do we have one more space symbol near?
     int next_pos = -1;
-    while ( pos > 0 && (next_pos = m_text.rfind(' ', pos - 1)) > -1 ){
+    while (pos > 0 && (next_pos = m_text.rfind(' ', pos - 1)) > -1){
         if (next_pos + 1 < pos)
             break;
         pos = next_pos;
@@ -417,17 +428,18 @@ int TextBox::findEmptySpaceLeft(){
 int TextBox::findEmptySpaceRight(){
 
     // found the first right space symbol
-    int pos = m_text.find(' ', m_cursor_pos);
+    int pos = m_text.find(' ', m_start_pos + m_cursor_pos);
 
     // do we have one more space symbol near?
     int next_pos = -1;
     while (pos > -1 && pos < m_text.size() && (next_pos = m_text.find(' ', pos + 1)) > -1 ){
+
         if (next_pos - 1 > pos)
             break;
         pos = next_pos;
     }
     if (pos < 0)
-        pos = m_text.size();
+        pos = m_text.size() - 1;
 
     return pos + 1; // (+1) - sets cursor at the right.
 
-- 
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