Add "square-resize" menu option for CoverView

src/CoverView.cpp

@@ -6,15 +6,19 @@
 #include "CoverView.h"
 
 #include <Bitmap.h>
-#include <Dragger.h>
+#include <MenuItem.h>
-#include <Messenger.h>
+#include <PopUpMenu.h>
+#include <Window.h>
 
 #include "MediaPlayer.h"
 
 
+const uint32 COVER_MAKE_SQUARE = 'cvsq';
+
+
 CoverView::CoverView(BRect frame)
 	:
-	ReplicantView(frame, "Cover", B_FOLLOW_LEFT)
+	ReplicantView(frame, "Cover", B_WILL_DRAW | B_FULL_UPDATE_ON_RESIZE, B_FOLLOW_RIGHT)
 {
 	SetViewColor(B_TRANSPARENT_COLOR);
 	fCover = NULL;
@@ -52,6 +56,16 @@ CoverView::Instantiate(BMessage* data)
 }
 
 
+void
+CoverView::MessageReceived(BMessage* msg)
+{
+	if (msg->what == COVER_MAKE_SQUARE)
+		_MakeSquare();
+	else
+		ReplicantView::MessageReceived(msg);
+}
+
+
 void
 CoverView::Pulse()
 {
@@ -77,6 +91,24 @@ CoverView::Pulse()
 }
 
 
+BPopUpMenu*
+CoverView::RightClickPopUp(BPopUpMenu* menu)
+{
+	BPopUpMenu* newMenu = ReplicantView::RightClickPopUp(menu);
+	newMenu->ItemAt(0)->SetEnabled(false);
+	newMenu->ItemAt(0)->SetMarked(false);
+
+	BMenuItem* square = new BMenuItem("Resize to square",
+		new BMessage(COVER_MAKE_SQUARE));
+	square->SetMarked(_IsSquare());
+	square->SetEnabled(!_IsSquare());
+	square->SetTarget(this);
+	newMenu->AddItem(square, 0);
+
+	return newMenu;
+}
+
+
 void
 CoverView::Draw(BRect updateRect)
 {
@@ -84,3 +116,30 @@ CoverView::Draw(BRect updateRect)
 	if (fCover != NULL && fCover->IsValid())
 		DrawBitmap(fCover, Bounds());
 }
+
+
+bool
+CoverView::_IsSquare()
+{
+	return floorf(Frame().Width()) == floorf(Frame().Height());
+}
+
+
+void
+CoverView::_MakeSquare()
+{
+	if (_IsSquare())
+		return;
+
+	ResizeTo(Frame().Height(), Frame().Height());
+
+	// If in MediaMonitor's window, resize the window too.
+	// (We don't want to resize Tracker, or other shelves!)
+	if (Parent() != NULL && Parent()->Parent() != NULL) {
+		BRect pRect = Parent()->Parent()->Frame();
+		if (strcmp(Parent()->Parent()->Name(), "appletTabView") == 0
+			&& pRect.Width() < Frame().Width() || pRect.Height() < Frame().Height())
+			Window()->ResizeBy(Frame().Width() - pRect.Width(),
+				Frame().Height() - pRect.Height());
+	}
+}

src/CoverView.h

@@ -8,9 +8,6 @@
 #include "ReplicantView.h"
 #include "Song.h"
 
-class BDragger;
-class MediaPlayer;
-
 
 class CoverView : public ReplicantView {
 public:
@@ -20,12 +17,17 @@ public:
 	virtual status_t    Archive(BMessage* data, bool deep = true) const;
 	static CoverView*   Instantiate(BMessage* data);
 
+	virtual void        MessageReceived(BMessage* msg);
+
 	virtual void        Pulse();
 
+	virtual BPopUpMenu* RightClickPopUp(BPopUpMenu* menu = NULL);
+
 	virtual void        Draw(BRect updateRect);
 
 private:
-	void               _Init(BRect frame);
+	bool                _IsSquare();
+	void                _MakeSquare();
 
 	Song fCurrentSong;
 	BBitmap* fCover;

src/LyricsView.cpp

@@ -63,7 +63,7 @@ LyricsTextView::MouseDown(BPoint where)
 
 LyricsView::LyricsView(BRect frame)
 	:
-	ReplicantView(frame, "Lyrics", B_FOLLOW_LEFT)
+	ReplicantView(frame, "Lyrics", 0, B_FOLLOW_LEFT)
 {
 	BRect textRect(0, 0, Bounds().Width(), Bounds().Height() - 10);
 	fTextView = new LyricsTextView(textRect, "lyricsText", textRect,

src/LyricsView.h

@@ -10,10 +10,8 @@
 #include "ReplicantView.h"
 #include "Song.h"
 
-class BDragger;
 class BPopUpMenu;
 class BScrollView;
-class MediaPlayer;
 
 
 enum {

src/ReplicantView.cpp

@@ -13,9 +13,9 @@
 #include "MediaPlayer.h"
 
 
-ReplicantView::ReplicantView(BRect frame, const char* name, uint32 draggerPlacement)
+ReplicantView::ReplicantView(BRect frame, const char* name, uint32 flags, uint32 draggerPlacement)
 	:
-	BView(frame, name, B_FOLLOW_ALL_SIDES, B_WILL_DRAW | B_TRANSPARENT_BACKGROUND | B_PULSE_NEEDED)
+	BView(frame, name, B_FOLLOW_ALL_SIDES, B_TRANSPARENT_BACKGROUND | B_PULSE_NEEDED | flags)
 {
 	BRect dragRect(frame.Width() - 10, 0, frame.Width(), frame.Height());
 	uint32 dragFollow = B_FOLLOW_RIGHT;

src/ReplicantView.h

@@ -32,7 +32,8 @@ enum {
 	- MediaPlayer object */
 class ReplicantView : public BView {
 public:
-	                       ReplicantView(BRect frame, const char* name, uint32 draggerPlacement);
+	                       ReplicantView(BRect frame, const char* name, uint32 flags,
+		                                 uint32 draggerPlacement);
 	                       ReplicantView(BMessage* archive);
 
 	virtual status_t       Archive(BMessage* data, bool deep = true) const;