From 31848b8565a4bd37c2918317e7bbc5ed1067e4b9 Mon Sep 17 00:00:00 2001
From: Manolo Gouy <Manolo>
Date: Tue, 20 Feb 2018 12:09:32 +0000
Subject: MacOS: correct handling of window tabbing/untabbing together with GUI
 rescaling.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12681 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
---
 src/Fl_cocoa.mm | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

(limited to 'src')

diff --git a/src/Fl_cocoa.mm b/src/Fl_cocoa.mm
index 12e9a7bd9..da0ccb14d 100644
--- a/src/Fl_cocoa.mm
+++ b/src/Fl_cocoa.mm
@@ -1311,7 +1311,7 @@ static FLWindowDelegate *flwindowdelegate_instance = nil;
 {
   FLWindow *nsw = (FLWindow*)[notif object];
   Fl_Window *window = [nsw getFl_Window];
-  if (abs([[nsw contentView] frame].size.height - window->h() * fl_graphics_driver->scale()) > 0.5) {
+  if (fabs([[nsw contentView] frame].size.height - window->h() * fl_graphics_driver->scale()) > 5.) {
     // the contentView, but not the window frame, is resized. This happens with tabbed windows.
     [self windowDidResize:notif];
     return;
@@ -2308,10 +2308,11 @@ static FLTextInputContext* fltextinputcontext_instance = nil;
   fl_lock_function();
   FLWindow *cw = (FLWindow*)[self window];
   Fl_Window *window = [cw getFl_Window];
-  if ( !window->parent() && window->border() && abs(rect.size.height - window->h() * fl_graphics_driver->scale()) > 0.5 ) { // this happens with tabbed window
-        window->resize([cw frame].origin.x/fl_graphics_driver->scale(),
-                       (main_screen_height - ([cw frame].origin.y + rect.size.height))/fl_graphics_driver->scale(),
-                       rect.size.width/fl_graphics_driver->scale(), rect.size.height/fl_graphics_driver->scale());
+  float s = fl_graphics_driver->scale();
+  if ( !window->parent() && window->border() && fabs(rect.size.height - window->h() * s) > 5. ) { // this happens with tabbed windows
+        window->resize([cw frame].origin.x/s,
+                       (main_screen_height - ([cw frame].origin.y + rect.size.height))/s,
+                       rect.size.width/s, rect.size.height/s);
   }
   through_drawRect = YES;
   Fl_Cocoa_Window_Driver *d = Fl_Cocoa_Window_Driver::driver(window);
-- 
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