calculate minimum window size better for multi-head setups

xsane-0.998-preview-window-size.patch

@@ -0,0 +1,56 @@
+From d25c926e1354ea8d6c4b4636503d7548a50cbd7e Mon Sep 17 00:00:00 2001
+From: Nils Philippsen <nils@redhat.com>
+Date: Mon, 3 Sep 2012 16:07:44 +0200
+Subject: [PATCH] patch: preview-window-size
+
+Squashed commit of the following:
+
+commit 9fa241f0f4a21623e0ae5be871d885f6b082dd38
+Author: Nils Philippsen <nils@redhat.com>
+Date:   Mon Sep 3 16:00:35 2012 +0200
+
+    calculate minimum window size better for multi-head setups
+---
+ src/xsane-preview.c | 19 +++++++++++++++++--
+ 1 file changed, 17 insertions(+), 2 deletions(-)
+
+diff --git a/src/xsane-preview.c b/src/xsane-preview.c
+index 264c775..634a4e2 100644
+--- a/src/xsane-preview.c
++++ b/src/xsane-preview.c
+@@ -4665,6 +4665,9 @@ void preview_update_surface(Preview *p, int surface_changed)
+  SANE_Unit unit;
+  double min, max;
+  int expand_surface = 0;
++ gint min_width, min_height;
++ GdkScreen *screen;
++ GdkRectangle geometry;
+ 
+   DBG(DBG_proc, "preview_update_surface\n");
+ 
+@@ -4848,8 +4851,20 @@ void preview_update_surface(Preview *p, int surface_changed)
+   {
+     DBG(DBG_info, "preview_update_surface: defining size of preview window\n");
+ 
+-    p->preview_window_width  = 0.3 * gdk_screen_width();
+-    p->preview_window_height = 0.5 * gdk_screen_height();
++    /* ensure preview window fits on displays, account for multi-head */
++    min_width = gdk_screen_width();
++    min_height = gdk_screen_height();
++
++    screen = gdk_screen_get_default();
++    for (i = 0; i < gdk_screen_get_n_monitors(screen); i++)
++    {
++      gdk_screen_get_monitor_geometry(screen, i, &geometry);
++      min_width = MIN(min_width, geometry.width);
++      min_height = MIN(min_height, geometry.height);
++    }
++
++    p->preview_window_width  = 0.3 * min_width;
++    p->preview_window_height = 0.5 * min_height;
+     preview_area_correct(p); /* calculate preview_width and height */
+     gtk_widget_set_size_request(GTK_WIDGET(p->window), p->preview_width, p->preview_height);
+   }
+-- 
+1.7.11.4
+

xsane.spec

@@ -15,7 +15,7 @@
 Name: xsane
 Summary: X Window System front-end for the SANE scanner interface
 Version: 0.998
-Release: 11%{?dist}
+Release: 12%{?dist}
 Source0: http://www.xsane.org/download/%{name}-%{version}.tar.gz
 Source1: xsane-256x256.png
 # distro-specific: use "xdg-open" instead of "netscape" to launch help browser
@@ -50,6 +50,9 @@ Patch9: xsane-0.998-libpng.patch
 # distro-specific: set program name/wmclass so GNOME shell picks appropriate
 # high resolution icon file
 Patch10: xsane-0.998-wmclass.patch
+# calculate minimum window size better for multi-head setups
+# submitted to upstream (Oliver Rauch) via email, 2012-09-03
+Patch11: xsane-0.998-preview-window-size.patch
 # autoconf-generated files
 Patch100: xsane-0.998-1-autoconf.patch.bz2
 License: GPLv2+
@@ -112,6 +115,7 @@ done
 %patch8 -p1 -b .preview-selection.patch
 %patch9 -p1 -b .libpng
 %patch10 -p1 -b .wmclass
+%patch11 -p1 -b .preview-window-size
 
 %patch100 -p1 -b .autoconf
 
@@ -209,6 +213,9 @@ fi
 %{_datadir}/sane/xsane
 
 %changelog
+* Mon Sep 03 2012 Nils Philippsen <nils@redhat.com> - 0.998-12
+- calculate minimum window size better for multi-head setups
+
 * Sun Jul 22 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0.998-11
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_18_Mass_Rebuild