From 7d5e50bab8a49d67332f2d9e88f5c25b1cb60289 Mon Sep 17 00:00:00 2001
From: Waldo Bastian <bastian@kde.org>
Date: Thu, 6 Sep 2001 19:44:06 +0000
Subject: [PATCH] Tune electric borders...

svn path=/trunk/kdebase/kwin/; revision=113523
---
 options.cpp   | 10 +++++++++-
 options.h     |  5 +++++
 workspace.cpp | 11 ++++++++---
 3 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/options.cpp b/options.cpp
index 6bec759825..a82a44deb4 100644
--- a/options.cpp
+++ b/options.cpp
@@ -20,7 +20,8 @@ class OptionsPrivate
 {
 public:
     OptionsPrivate() : title_buttons_left( "MS" ), title_buttons_right( "HIAX" ),
-        custom_button_positions( false ), electric_borders( false ) {};
+        custom_button_positions( false ), electric_borders( false ),
+        electric_border_delay(0) {};
     QColor colors[KWINCOLORS*2];
     QColorGroup *cg[KWINCOLORS*2];
     QString title_buttons_left;
@@ -30,6 +31,7 @@ public:
     bool fade_tooltips;
     bool animate_tooltips;
     bool electric_borders;
+    int electric_border_delay;
 };
 };
 
@@ -220,6 +222,7 @@ void Options::reload()
     windowSnapZone = config->readNumEntry("WindowSnapZone", 10);
     snapOnlyWhenOverlapping=config->readBoolEntry("SnapOnlyWhenOverlapping",FALSE);
     d->electric_borders = config->readBoolEntry("ElectricBorders", false);
+    d->electric_border_delay = config->readNumEntry("ElectricBorderDelay", 150);
 
     OpTitlebarDblClick = windowOperation( config->readEntry("TitlebarDoubleClickCommand", "Shade") );
 
@@ -357,5 +360,10 @@ bool Options::electricBorders()
     return d->electric_borders;
 }
 
+int Options::electricBorderDelay()
+{
+    return d->electric_border_delay;
+}
+
 #include "options.moc"
 
diff --git a/options.h b/options.h
index 89cac29a32..eaadf5deac 100644
--- a/options.h
+++ b/options.h
@@ -316,6 +316,11 @@ public:
     */
     bool electricBorders();
 
+    /**
+    * @returns the activation delay for electric borders in milliseconds.
+    */
+    int electricBorderDelay();
+
 public slots:
     void reload();
 
diff --git a/workspace.cpp b/workspace.cpp
index 27f412441e..e0d5d67d1e 100644
--- a/workspace.cpp
+++ b/workspace.cpp
@@ -116,6 +116,7 @@ public:
     WId electric_right_border;
     Time electric_time_first;
     Time electric_time_last;
+    QPoint electric_push_point;
     Client *movingClient;
 };
 
@@ -4215,11 +4216,14 @@ void Workspace::electricBorder(XEvent *e)
 {
   Window border = e->xcrossing.window;
   Time now = e->xcrossing.time;
-  int treshold_set = 150; // set timeout
-  int treshold_reset = 150; // reset timeout
+  int treshold_set = options->electricBorderDelay(); // set timeout
+  int treshold_reset = 250; // reset timeout
+  int distance_reset = 10; // Mouse should not move more than this many pixels
+  QPoint p(e->xcrossing.x_root, e->xcrossing.y_root);
 
   if ((d->electric_current_border == border) &&
-      (TimeDiff(d->electric_time_last, now) < treshold_reset))
+      (TimeDiff(d->electric_time_last, now) < treshold_reset) &&
+      ((p-d->electric_push_point).manhattanLength() < distance_reset))
   {
      d->electric_time_last = now;
 
@@ -4257,6 +4261,7 @@ void Workspace::electricBorder(XEvent *e)
     d->electric_current_border = border;
     d->electric_time_first = now;
     d->electric_time_last = now;
+    d->electric_push_point = p;
   }
 
   int mouse_warp = 1;