move decoration handling for non-resizable windows to SizeHint class

1 files changed, 7 insertions, 1 deletions

diff --git a/src/WindowState.cc b/src/WindowState.cc
index 2f8fd4e..f4df136 100644
--- a/src/WindowState.cc
+++ b/src/WindowState.cc
@@ -30,7 +30,8 @@ bool WindowState::useBorder() const {
 }
 
 bool WindowState::useHandle() const {
-    return !fullscreen && !shaded && deco_mask & DECORM_HANDLE;
+    return !fullscreen && !shaded && deco_mask & DECORM_HANDLE &&
+           size_hints.isResizable();
 }
 
 bool WindowState::useTabs() const {
@@ -78,6 +79,11 @@ int WindowState::getDecoMaskFromString(const std::string &str_label) {
     return mask;
 }
 
+bool SizeHints::isResizable() const {
+    return max_width == 0 || max_height == 0 ||
+           max_width > min_width || max_height > min_height;
+}
+
 void SizeHints::reset(const XSizeHints &sizehint) {
     if (sizehint.flags & PMinSize) {
         min_width = sizehint.min_width;