From 595bb3098e28f783b4e70a681589a5df6d5e6d10 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Axel=20D=C3=B6rfler?= Date: Tue, 24 Feb 2004 07:21:11 +0000 Subject: [PATCH] Implemented initial attribute support. git-svn-id: file:///srv/svn/repos/haiku/trunk/current@6712 a95241bf-73f2-0310-859d-f6bbb57e9c96 --- src/apps/diskprobe/ProbeView.cpp | 181 ++++++++++++++++++++++++++++++- src/apps/diskprobe/ProbeView.h | 1 + 2 files changed, 177 insertions(+), 5 deletions(-) diff --git a/src/apps/diskprobe/ProbeView.cpp b/src/apps/diskprobe/ProbeView.cpp index 005a953623..fc3f874a99 100644 --- a/src/apps/diskprobe/ProbeView.cpp +++ b/src/apps/diskprobe/ProbeView.cpp @@ -10,6 +10,7 @@ #define BEOS_R5_COMPATIBLE // for SetLimits() +#include #include #include #include @@ -28,6 +29,8 @@ #include #include #include +#include +#include #include @@ -116,6 +119,7 @@ class HeaderView : public BView, public BInvoker { off_t fPosition; off_t fLastPosition; + BTextControl *fTypeControl; BTextControl *fPositionControl; BStringView *fPathView; BStringView *fSizeView; @@ -126,6 +130,18 @@ class HeaderView : public BView, public BInvoker { }; +class TypeMenuItem : public BMenuItem { + public: + TypeMenuItem(const char *name, const char *type, BMessage *message); + + virtual void GetContentSize(float *_width, float *_height); + virtual void DrawContent(); + + private: + BString fType; +}; + + class UpdateLooper : public BLooper { public: UpdateLooper(const char *name, DataEditor &editor, BMessenger messenger); @@ -142,6 +158,23 @@ class UpdateLooper : public BLooper { //---------------------- +static void +get_type_string(char *buffer, size_t bufferSize, type_code type) +{ + for (int32 i = 0; i < 4; i++) { + buffer[i] = type >> (24 - 8 * i); + if (buffer[i] < ' ' || buffer[i] == 0x7f) { + snprintf(buffer, bufferSize, "0x%04lx", type); + break; + } else if (i == 3) + buffer[4] = '\0'; + } +} + + +// #pragma mark - + + IconView::IconView(BRect rect, entry_ref *ref, bool isDevice) : BView(rect, NULL, B_FOLLOW_NONE, B_WILL_DRAW), fRef(*ref), @@ -384,7 +417,35 @@ HeaderView::HeaderView(BRect frame, entry_ref *ref, DataEditor &editor) fPathView->SetFont(&plainFont); AddChild(fPathView); - stringView = new BStringView(BRect(50, 27, frame.right, 50), B_EMPTY_STRING, "Block: "); + float top = 27; + if (editor.IsAttribute()) { + top += 3; + stringView = new BStringView(BRect(50, top, frame.right, top + 15), B_EMPTY_STRING, "Attribute Type: "); + stringView->SetFont(&boldFont); + stringView->ResizeToPreferred(); + AddChild(stringView); + + rect = stringView->Frame(); + rect.left = rect.right; + rect.right += 100; + rect.OffsetBy(0, -2); + // BTextControl oddities + + char buffer[16]; + get_type_string(buffer, sizeof(buffer), editor.Type()); + fTypeControl = new BTextControl(rect, B_EMPTY_STRING, NULL, buffer, new BMessage(kMsgPositionUpdate)); + fTypeControl->SetDivider(0.0); + fTypeControl->SetFont(&plainFont); + fTypeControl->TextView()->SetFontAndColor(&plainFont); + fTypeControl->SetEnabled(false); + // ToDo: for now + AddChild(fTypeControl); + + top += 24; + } else + fTypeControl = NULL; + + stringView = new BStringView(BRect(50, top, frame.right, top + 15), B_EMPTY_STRING, "Block: "); stringView->SetFont(&boldFont); stringView->ResizeToPreferred(); AddChild(stringView); @@ -441,8 +502,8 @@ HeaderView::HeaderView(BRect frame, entry_ref *ref, DataEditor &editor) rect = Bounds(); rect.InsetBy(3, 0); - rect.top = 48; - rect.bottom = 60; + rect.top = top + 21; + rect.bottom = rect.top + 12; fPositionSlider = new PositionSlider(rect, "slider", new BMessage(kMsgSliderUpdate), editor.FileSize(), editor.BlockSize()); fPositionSlider->SetModificationMessage(new BMessage(kMsgSliderUpdate)); @@ -655,6 +716,45 @@ HeaderView::MessageReceived(BMessage *message) // #pragma mark - +/** The TypeMenuItem is a BMenuItem that displays a type string + * at its right border. + * It is used to display the attribute and type in the attributes menu. + * It does not mix nicely with short cuts. + */ + +TypeMenuItem::TypeMenuItem(const char *name, const char *type, BMessage *message) + : BMenuItem(name, message), + fType(type) +{ +} + + +void +TypeMenuItem::GetContentSize(float *_width, float *_height) +{ + BMenuItem::GetContentSize(_width, _height); + + if (_width) + *_width += Menu()->StringWidth(fType.String()); +} + + +void +TypeMenuItem::DrawContent() +{ + // draw the label + BMenuItem::DrawContent(); + + // draw the type + BPoint point = Menu()->PenLocation(); + point.x = Frame().right - 4 - Menu()->StringWidth(fType.String()); + Menu()->DrawString(fType.String(), point); +} + + +// #pragma mark - + + /** The purpose of this looper is to off-load the editor data * loading from the main window looper. * It will listen to the offset changes of the editor, let @@ -788,6 +888,59 @@ ProbeView::DetachedFromWindow() } +void +ProbeView::UpdateAttributesMenu(BMenu *menu) +{ + // remove old contents + + for (int32 i = menu->CountItems(); i-- > 0;) { + delete menu->RemoveItem(i); + } + + // add new items (sorted) + + BNode node(&fEditor.Ref()); + if (node.InitCheck() == B_OK) { + char attribute[B_ATTR_NAME_LENGTH]; + node.RewindAttrs(); + + while (node.GetNextAttrName(attribute) == B_OK) { + attr_info info; + if (node.GetAttrInfo(attribute, &info) != B_OK) + continue; + + char type[16]; + type[0] = '['; + get_type_string(type + 1, sizeof(type) - 2, info.type); + strcat(type, "]"); + + // find where to insert + int32 i; + for (i = 0; i < menu->CountItems(); i++) { + if (strcasecmp(menu->ItemAt(i)->Label(), attribute) > 0) + break; + } + + BMessage *message = new BMessage(B_REFS_RECEIVED); + message->AddRef("refs", &fEditor.Ref()); + message->AddString("attributes", attribute); + + menu->AddItem(new TypeMenuItem(attribute, type, message), i); + } + } + + if (menu->CountItems() == 0) { + // if there are no attributes, add an item to the menu + // that says so + BMenuItem *item = new BMenuItem("none", NULL); + item->SetEnabled(false); + menu->AddItem(item); + } + + menu->SetTargetForItems(be_app); +} + + void ProbeView::AddFileMenuItems(BMenu *menu, int32 index) { @@ -825,10 +978,12 @@ ProbeView::AttachedToWindow() AddFileMenuItems(menu, 0); menu->AddSeparatorItem(); - menu->AddItem(new BMenuItem("Close", new BMessage(B_QUIT_REQUESTED), 'W', B_COMMAND_KEY)); + menu->AddItem(new BMenuItem("Close", new BMessage(B_CLOSE_REQUESTED), 'W', B_COMMAND_KEY)); bar->AddItem(menu); } + // "Edit" menu + BMenu *menu = new BMenu("Edit"); BMenuItem *item; menu->AddItem(new BMenuItem("Undo", NULL, 'Z', B_COMMAND_KEY)); @@ -846,6 +1001,8 @@ ProbeView::AttachedToWindow() menu->AddItem(new BMenuItem("Find Again", NULL, 'G', B_COMMAND_KEY)); bar->AddItem(menu); + // "Block" menu + menu = new BMenu("Block"); BMessage *message = new BMessage(kMsgPositionUpdate); message->AddInt32("delta", 1); @@ -870,9 +1027,23 @@ ProbeView::AttachedToWindow() menu->AddItem(new BMenuItem(subMenu)); bar->AddItem(menu); - // Number Base (hex/decimal) + // "Attributes" menu (it's only visible if the underlying + // file system actually supports attributes) + + BVolume volume; + if (!fEditor.IsAttribute() + && fEditor.File().GetVolume(&volume) == B_OK + && (volume.KnowsMime() || volume.KnowsAttr())) { + bar->AddItem(menu = new BMenu("Attributes")); + UpdateAttributesMenu(menu); + } + + // "View" menu menu = new BMenu("View"); + + // Number Base (hex/decimal) + subMenu = new BMenu("Base"); message = new BMessage(kMsgBaseType); message->AddInt32("base", kDecimalBase); diff --git a/src/apps/diskprobe/ProbeView.h b/src/apps/diskprobe/ProbeView.h index adb990dda8..cb8b113d6a 100644 --- a/src/apps/diskprobe/ProbeView.h +++ b/src/apps/diskprobe/ProbeView.h @@ -37,6 +37,7 @@ class ProbeView : public BView { void UpdateSizeLimits(); private: + void UpdateAttributesMenu(BMenu *menu); void CheckClipboard(); DataEditor fEditor;