Patch by Łukasz 'Sil2100' Zemczak: Made BStatusBar layout friendly.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21936 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/os/interface/StatusBar.h

@@ -14,6 +14,8 @@ class BStatusBar : public BView {
 	public:
 		BStatusBar(BRect frame, const char* name, const char* label = NULL,
 			const char* trailingLabel = NULL);
+		BStatusBar(const char* name, const char* label = NULL,
+			const char* trailingLabel = NULL);
 		BStatusBar(BMessage* archive);
 		virtual ~BStatusBar();
 
@@ -69,6 +71,11 @@ class BStatusBar : public BView {
 
 		virtual status_t Perform(perform_code d, void* arg);
 
+		// Layout methods
+		virtual BSize MinSize();
+		virtual BSize MaxSize();
+		virtual BSize PreferredSize();
+
 	private:
 		virtual	void _ReservedStatusBar2();
 		virtual	void _ReservedStatusBar3();

src/kits/interface/StatusBar.cpp

@@ -13,6 +13,9 @@
 #include <Region.h>
 #include <StatusBar.h>
 
+#include <Layout.h>
+#include <LayoutUtils.h>
+
 #include <stdlib.h>
 #include <string.h>
 
@@ -30,6 +33,17 @@ BStatusBar::BStatusBar(BRect frame, const char *name, const char *label,
 }
 
 
+BStatusBar::BStatusBar(const char *name, const char *label,
+					   const char *trailingLabel)
+	: BView(BRect(0, 0, -1, -1), name, B_FOLLOW_LEFT | B_FOLLOW_TOP, 
+			B_WILL_DRAW | B_SUPPORTS_LAYOUT),
+	fLabel(label),
+	fTrailingLabel(trailingLabel)
+{
+	_InitObject();
+}
+
+
 BStatusBar::BStatusBar(BMessage *archive)
 	: BView(archive)
 {
@@ -580,6 +594,37 @@ BStatusBar::GetSupportedSuites(BMessage* data)
 }
 
 
+BSize
+BStatusBar::MinSize()
+{
+	float width, height;
+	GetPreferredSize(&width, &height);
+
+	return BLayoutUtils::ComposeSize(ExplicitMaxSize(), BSize(width, height));
+}
+
+
+BSize
+BStatusBar::MaxSize()
+{
+	float width, height;
+	GetPreferredSize(&width, &height);
+
+	return BLayoutUtils::ComposeSize(ExplicitMaxSize(), 
+			BSize(B_SIZE_UNLIMITED, height));
+}
+
+
+BSize
+BStatusBar::PreferredSize()
+{
+	float width, height;
+	GetPreferredSize(&width, &height);
+
+	return BLayoutUtils::ComposeSize(ExplicitMaxSize(), BSize(width, height));
+}
+
+
 status_t
 BStatusBar::Perform(perform_code d, void* arg)
 {