From d8967bd534ff10a234fed17059fb92d985be9176 Mon Sep 17 00:00:00 2001
From: Dana Jansens <danakj@orodu.net>
Date: Wed, 7 Aug 2002 16:24:13 +0000
Subject: [PATCH] support better resizing a delta value instead of an absolute
 value

---
 util/epist/screen.cc |  4 ++--
 util/epist/window.cc | 27 +++++++++++++++++++++++++++
 2 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/util/epist/screen.cc b/util/epist/screen.cc
index 9068ed31..c4f0520b 100644
--- a/util/epist/screen.cc
+++ b/util/epist/screen.cc
@@ -274,11 +274,11 @@ void screen::handleKeypress(const XEvent &e) {
       return;
       
     case Action::resizeWindowWidth:
-      window->resize(window->width() + it->number(), window->height());
+      window->resize(it->number(), 0);
       return;
       
     case Action::resizeWindowHeight:
-      window->resize(window->width(), window->height() + it->number());
+      window->resize(0, it->number());
       return;
       
     case Action::toggleshade:
diff --git a/util/epist/window.cc b/util/epist/window.cc
index ba952073..c8cdf012 100644
--- a/util/epist/window.cc
+++ b/util/epist/window.cc
@@ -336,6 +336,33 @@ void XWindow::move(int x, int y) const {
 }
 
 
+void XWindow::resize(int dwidth, int dheight) const {
+  // resize in increments if requested by the window
+
+  unsigned int wdest = _rect.width() + (dwidth * _inc_x) /
+                       _inc_x * _inc_x + _base_x;
+  unsigned int hdest = _rect.height() + (dheight * _inc_y) /
+                       _inc_y * _inc_y + _base_y;
+
+  if (width > wdest) {
+    while (width > wdest)
+      wdest += _inc_x;
+  } else {
+    while (width < wdest)
+      wdest -= _inc_x;
+  }
+  if (height > hdest) {
+    while (height > hdest)
+      hdest += _inc_y;
+  } else {
+    while (height < hdest)
+      hdest -= _inc_y;
+  }
+  
+  XResizeWindow(_epist->getXDisplay(), _window, wdest, hdest);
+}
+
+
 void XWindow::resize(unsigned int width, unsigned int height) const {
   // resize in increments if requested by the window
 
-- 
2.39.2