Make IconView icon_size:able. Adapt DataTranslations. Disable DataTranslation's info button on list deselection.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@41248 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/shared/IconView.h

@@ -5,21 +5,28 @@
 
 
 #include <Bitmap.h>
+#include <Mime.h>
 #include <Path.h>
 #include <View.h>
 
 
 class IconView : public BView {
 public:
-							IconView(const BRect& frame, const char* name,
-								uint32 resize, uint32 flags);
+							IconView(icon_size iconSize = B_LARGE_ICON);
+
 							~IconView();
+
+			status_t		InitCheck() const;
 	virtual	void			Draw(BRect area);
-	
-			bool			DrawIcon(bool draw);
-			bool			SetIcon(const BPath& path);
+
+			void			DrawIcon(bool draw);
+			status_t		SetIcon(const BPath& path,
+								icon_size iconSize = B_LARGE_ICON);
 
 private:
+			void			_SetSize();
+
+			icon_size		fIconSize;
 			BBitmap*		fIconBitmap;
 			bool			fDrawIcon;
 };

src/kits/shared/IconView.cpp

@@ -4,6 +4,7 @@
 
 #include "IconView.h"
 
+#include <new>
 #include <stdio.h>
 #include <string.h>
 
@@ -12,11 +13,14 @@
 #include <NodeInfo.h>
 
 
-IconView::IconView(const BRect& frame, const char* name, uint32 resize,
-	uint32 flags)
+using std::nothrow;
+
+
+IconView::IconView(icon_size iconSize)
 	:
-	BView(frame, name, resize, flags),
-	fIconBitmap(new BBitmap(BRect(B_LARGE_ICON), B_RGBA32)),
+	BView("IconView", B_WILL_DRAW),
+	fIconSize(iconSize),
+	fIconBitmap(new BBitmap(BRect(iconSize), B_RGBA32)),
 	fDrawIcon(false)
 {
 	SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
@@ -30,45 +34,82 @@ IconView::~IconView()
 }
 
 
-bool
-IconView::SetIcon(const BPath& path)
+status_t
+IconView::SetIcon(const BPath& path, icon_size iconSize)
 {
 	fDrawIcon = false;
 	
+	if (iconSize != fIconSize) {
+		BBitmap* bitmap = new BBitmap(BRect(iconSize), B_RGBA32);
+		if (bitmap == NULL)
+			return B_NO_MEMORY;
+
+		delete fIconBitmap;
+		fIconBitmap = bitmap;
+		fIconSize = iconSize;
+	}
+
+	status_t status = fIconBitmap->InitCheck();
+	if (status != B_OK)
+		return status;
+
 	BEntry entry(path.Path());
 	BNode node(&entry);
 	BNodeInfo info(&node);
-	
-	if (info.GetTrackerIcon(fIconBitmap) != B_OK)
-		return false;
-	
+
+	status = info.GetTrackerIcon(fIconBitmap, fIconSize);
+	if (status != B_OK)
+		return status;
+
+	if (!fIconBitmap->IsValid())
+		return fIconBitmap->InitCheck();
+
+	_SetSize();
+
 	fDrawIcon = true;
 	Invalidate();
-	return true;
+	return B_OK;
 }
 
 
-bool
+void
 IconView::DrawIcon(bool draw)
 {
-	bool prev = fDrawIcon;
-	fDrawIcon = draw;
-	if (prev != fDrawIcon)
-		Invalidate();
+	if (draw == fDrawIcon)
+		return;
 
-	return prev;
+	fDrawIcon = draw;
+	Invalidate();
 }
 
 
 void
 IconView::Draw(BRect area)
 {
-	SetDrawingMode(B_OP_ALPHA);
-	SetBlendingMode(B_PIXEL_ALPHA, B_ALPHA_OVERLAY);
-
-	if (fDrawIcon)
+	if (fDrawIcon && fIconBitmap != NULL) {
+		SetDrawingMode(B_OP_ALPHA);
+		SetBlendingMode(B_PIXEL_ALPHA, B_ALPHA_OVERLAY);
 		DrawBitmap(fIconBitmap);
-
-	SetDrawingMode(B_OP_COPY);
+		SetDrawingMode(B_OP_COPY);
+	} else
+		BView::Draw(area);
 }
 
+
+status_t
+IconView::InitCheck() const
+{
+	if (fIconBitmap == NULL)
+		return B_NO_MEMORY;
+
+	return fIconBitmap->InitCheck();
+}
+
+
+void
+IconView::_SetSize()
+{
+	SetExplicitMinSize(BSize(fIconSize, fIconSize));
+	SetExplicitMaxSize(BSize(fIconSize, fIconSize));
+	SetExplicitPreferredSize(BSize(fIconSize, fIconSize));
+}

src/preferences/datatranslations/DataTranslationsWindow.cpp

@@ -19,7 +19,6 @@
 #include <Application.h>
 #include <Bitmap.h>
 #include <Box.h>
-#include <Button.h>
 #include <Catalog.h>
 #include <ControlLook.h>
 #include <Entry.h>
@@ -182,11 +181,10 @@ DataTranslationsWindow::_SetupViews()
 			B_ALIGN_USE_FULL_HEIGHT));
 
 	// Add the translator icon view
-	fIconView = new IconView(BRect(0, 0, 31, 31), B_TRANSLATE("Icon"),
-		B_FOLLOW_LEFT | B_FOLLOW_BOTTOM, B_WILL_DRAW | B_FRAME_EVENTS);
+	fIconView = new IconView();
 
 	// Add the translator info button
-	BButton* button = new BButton("STD", B_TRANSLATE("Info" B_UTF8_ELLIPSIS),
+	fButton = new BButton("info", B_TRANSLATE("Info" B_UTF8_ELLIPSIS),
 		new BMessage(kMsgTranslatorInfo), B_WILL_DRAW | B_FRAME_EVENTS | B_NAVIGABLE);
 
 	// Populate the translators list view
@@ -201,7 +199,7 @@ DataTranslationsWindow::_SetupViews()
 			.SetInsets(0, 0, 0, 0)
 			.Add(fRightBox, 0, 0, 3, 1)
 			.Add(fIconView, 0, 1)
-			.Add(button, 2, 1);
+			.Add(fButton, 2, 1);
 
 	fTranslatorListView->MakeFocus();
 	fTranslatorListView->Select(0);
@@ -291,6 +289,7 @@ DataTranslationsWindow::MessageReceived(BMessage* message)
 			if (selected < 0) {
 				// If none selected, clear the old one
 				fIconView->DrawIcon(false);
+				fButton->SetEnabled(false);
 				fRightBox->RemoveChild(fConfigView);
 				break;
 			}
@@ -307,6 +306,7 @@ DataTranslationsWindow::MessageReceived(BMessage* message)
 			BPath path;
 			_GetTranslatorInfo(item->ID(), name, info, version, path);
 			fIconView->SetIcon(path);
+			fButton->SetEnabled(true);
 			break;
 		}
 

src/preferences/datatranslations/DataTranslationsWindow.h

@@ -12,6 +12,7 @@
 
 
 #include <Box.h>
+#include <Button.h>
 #include <IconView.h>
 #include <Path.h>
 #include <View.h>
@@ -41,6 +42,7 @@ private:
 			BBox*			fRightBox;
 			BView*			fConfigView;
 			IconView*		fIconView;
+			BButton*		fButton;
 };