コード例 #1
0
// _AddStyle
status_t
StyledTextImporter::_AddStyle(Icon *icon, text_run *run)
{
	CALLED();
	if (!run)
		return EINVAL;
	rgb_color color = run->color;
	Style* style = new (nothrow) Style(color);
	if (!style) {
		delete style;
		return B_NO_MEMORY;
	}
	char name[30];
	sprintf(name, "Color (#%02x%02x%02x)", color.red, color.green, color.blue);
	style->SetName(name);

	bool found = false;
	for (int i = 0; i < fStyleCount; i++) {
		if (*style == *(fStyleMap[i].style)) {
			delete style;
			style = fStyleMap[i].style;
			found = true;
			break;
		}
	}

	if (!found && !icon->Styles()->AddStyle(style)) {
		delete style;
		return B_NO_MEMORY;
	}

	fStyleMap[fStyleCount].run = run;
	fStyleMap[fStyleCount].style = style;
	fStyleCount++;

	return B_OK;
}
コード例 #2
0
ファイル: MainWindow.cpp プロジェクト: yunxiaoxiao110/haiku
void
MainWindow::MessageReceived(BMessage* message)
{
    bool discard = false;

    // Figure out if we need the write lock on the Document. For most
    // messages we do, but exporting takes place in another thread and
    // locking is taken care of there.
    bool requiresWriteLock = true;
    switch (message->what) {
    case MSG_SAVE:
    case MSG_EXPORT:
    case MSG_SAVE_AS:
    case MSG_EXPORT_AS:
        requiresWriteLock = false;
        break;
    default:
        break;
    }
    if (requiresWriteLock && !fDocument->WriteLock()) {
        BWindow::MessageReceived(message);
        return;
    }

    if (message->WasDropped()) {
        const rgb_color* color;
        ssize_t length;
        // create styles from dropped colors
        for (int32 i = 0; message->FindData("RGBColor", B_RGB_COLOR_TYPE, i,
                                            (const void**)&color, &length) == B_OK; i++) {
            if (length != sizeof(rgb_color))
                continue;
            char name[30];
            sprintf(name,
                    B_TRANSLATE_CONTEXT("Color (#%02x%02x%02x)",
                                        "Style name after dropping a color"),
                    color->red, color->green, color->blue);
            Style* style = new (nothrow) Style(*color);
            style->SetName(name);
            Style* styles[1] = { style };
            AddStylesCommand* styleCommand = new (nothrow) AddStylesCommand(
                fDocument->Icon()->Styles(), styles, 1,
                fDocument->Icon()->Styles()->CountStyles());
            fDocument->CommandStack()->Perform(styleCommand);
            // don't handle anything else,
            // or we might paste the clipboard on B_PASTE
            discard = true;
        }
    }

    switch (message->what) {

    case B_REFS_RECEIVED:
    case B_SIMPLE_DATA:
        // If our icon is empty, open the file in this window,
        // otherwise forward to the application which will open
        // it in another window, unless we append.
        message->what = B_REFS_RECEIVED;
        if (fDocument->Icon()->Styles()->CountStyles() == 0
                && fDocument->Icon()->Paths()->CountPaths() == 0
                && fDocument->Icon()->Shapes()->CountShapes() == 0) {
            entry_ref ref;
            if (message->FindRef("refs", &ref) == B_OK)
                Open(ref);
            break;
        }
        if (modifiers() & B_SHIFT_KEY) {
            // We want the icon appended to this window.
            message->AddBool("append", true);
            message->AddPointer("window", this);
        }
        be_app->PostMessage(message);
        break;

    case B_PASTE:
    case B_MIME_DATA:
    {
        BMessage* clip = message;
        status_t err;

        if (discard)
            break;

        if (message->what == B_PASTE) {
            if (!be_clipboard->Lock())
                break;
            clip = be_clipboard->Data();
        }

        if (!clip || !clip->HasData("text/plain", B_MIME_TYPE)) {
            if (message->what == B_PASTE)
                be_clipboard->Unlock();
            break;
        }

        Icon* icon = new (std::nothrow) Icon(*fDocument->Icon());
        if (icon != NULL) {
            StyledTextImporter importer;
            err = importer.Import(icon, clip);
            if (err >= B_OK) {
                AutoWriteLocker locker(fDocument);

                SetIcon(NULL);

                // incorporate the loaded icon into the document
                // (either replace it or append to it)
                fDocument->MakeEmpty(false);
                // if append, the document savers are preserved
                fDocument->SetIcon(icon);
                SetIcon(icon);
            }
        }

        if (message->what == B_PASTE)
            be_clipboard->Unlock();
        break;
    }

    case MSG_OPEN:
        // If our icon is empty, we want the icon to open in this
        // window.
        if (fDocument->Icon()->Styles()->CountStyles() == 0
                && fDocument->Icon()->Paths()->CountPaths() == 0
                && fDocument->Icon()->Shapes()->CountShapes() == 0) {
            message->AddPointer("window", this);
        }
        be_app->PostMessage(message);
        break;

    case MSG_SAVE:
    case MSG_EXPORT:
    {
        DocumentSaver* saver;
        if (message->what == MSG_SAVE)
            saver = fDocument->NativeSaver();
        else
            saver = fDocument->ExportSaver();
        if (saver != NULL) {
            saver->Save(fDocument);
            _PickUpActionBeforeSave();
            break;
        } // else fall through
    }
    case MSG_SAVE_AS:
    case MSG_EXPORT_AS:
    {
        int32 exportMode;
        if (message->FindInt32("export mode", &exportMode) < B_OK)
            exportMode = EXPORT_MODE_MESSAGE;
        entry_ref ref;
        const char* name;
        if (message->FindRef("directory", &ref) == B_OK
                && message->FindString("name", &name) == B_OK) {
            // this message comes from the file panel
            BDirectory dir(&ref);
            BEntry entry;
            if (dir.InitCheck() >= B_OK
                    && entry.SetTo(&dir, name, true) >= B_OK
                    && entry.GetRef(&ref) >= B_OK) {

                // create the document saver and remember it for later
                DocumentSaver* saver = _CreateSaver(ref, exportMode);
                if (saver != NULL) {
                    if (fDocument->WriteLock()) {
                        if (exportMode == EXPORT_MODE_MESSAGE)
                            fDocument->SetNativeSaver(saver);
                        else
                            fDocument->SetExportSaver(saver);
                        _UpdateWindowTitle();
                        fDocument->WriteUnlock();
                    }
                    saver->Save(fDocument);
                    _PickUpActionBeforeSave();
                }
            }
// TODO: ...
//				_SyncPanels(fSavePanel, fOpenPanel);
        } else {
            // configure the file panel
            uint32 requestRefWhat = MSG_SAVE_AS;
            bool isExportMode = message->what == MSG_EXPORT_AS
                                || message->what == MSG_EXPORT;
            if (isExportMode)
                requestRefWhat = MSG_EXPORT_AS;
            const char* saveText = _FileName(isExportMode);

            BMessage requestRef(requestRefWhat);
            if (saveText != NULL)
                requestRef.AddString("save text", saveText);
            requestRef.AddMessenger("target", BMessenger(this, this));
            be_app->PostMessage(&requestRef);
        }
        break;
    }
    case B_CANCEL:
        // FilePanel was canceled, do not execute the fMessageAfterSave
        // next time a file panel is used, in case it was set!
        delete fMessageAfterSave;
        fMessageAfterSave = NULL;
        break;

    case MSG_UNDO:
        fDocument->CommandStack()->Undo();
        break;
    case MSG_REDO:
        fDocument->CommandStack()->Redo();
        break;
    case MSG_UNDO_STACK_CHANGED:
    {
        // relable Undo item and update enabled status
        BString label(B_TRANSLATE("Undo"));
        fUndoMI->SetEnabled(fDocument->CommandStack()->GetUndoName(label));
        if (fUndoMI->IsEnabled())
            fUndoMI->SetLabel(label.String());
        else {
            fUndoMI->SetLabel(B_TRANSLATE_CONTEXT("<nothing to undo>",
                                                  "Icon-O-Matic-Menu-Edit"));
        }

        // relable Redo item and update enabled status
        label.SetTo(B_TRANSLATE("Redo"));
        fRedoMI->SetEnabled(fDocument->CommandStack()->GetRedoName(label));
        if (fRedoMI->IsEnabled())
            fRedoMI->SetLabel(label.String());
        else {
            fRedoMI->SetLabel(B_TRANSLATE_CONTEXT("<nothing to redo>",
                                                  "Icon-O-Matic-Menu-Edit"));
        }
        break;
    }

    case MSG_MOUSE_FILTER_MODE:
    {
        uint32 mode;
        if (message->FindInt32("mode", (int32*)&mode) == B_OK)
            fCanvasView->SetMouseFilterMode(mode);
        break;
    }

    case MSG_ADD_SHAPE: {
        AddStylesCommand* styleCommand = NULL;
        Style* style = NULL;
        if (message->HasBool("style")) {
            new_style(fCurrentColor->Color(),
                      fDocument->Icon()->Styles(), &style, &styleCommand);
        }

        AddPathsCommand* pathCommand = NULL;
        VectorPath* path = NULL;
        if (message->HasBool("path")) {
            new_path(fDocument->Icon()->Paths(), &path, &pathCommand);
        }

        if (!style) {
            // use current or first style
            int32 currentStyle = fStyleListView->CurrentSelection(0);
            style = fDocument->Icon()->Styles()->StyleAt(currentStyle);
            if (!style)
                style = fDocument->Icon()->Styles()->StyleAt(0);
        }

        Shape* shape = new (nothrow) Shape(style);
        Shape* shapes[1];
        shapes[0] = shape;
        AddShapesCommand* shapeCommand = new (nothrow) AddShapesCommand(
            fDocument->Icon()->Shapes(), shapes, 1,
            fDocument->Icon()->Shapes()->CountShapes(),
            fDocument->Selection());

        if (path && shape)
            shape->Paths()->AddPath(path);

        ::Command* command = NULL;
        if (styleCommand || pathCommand) {
            if (styleCommand && pathCommand) {
                Command** commands = new Command*[3];
                commands[0] = styleCommand;
                commands[1] = pathCommand;
                commands[2] = shapeCommand;
                command = new CompoundCommand(commands, 3,
                                              B_TRANSLATE_CONTEXT("Add shape with path & style",
                                                      "Icon-O-Matic-Menu-Shape"),
                                              0);
            } else if (styleCommand) {
                Command** commands = new Command*[2];
                commands[0] = styleCommand;
                commands[1] = shapeCommand;
                command = new CompoundCommand(commands, 2,
                                              B_TRANSLATE_CONTEXT("Add shape with style",
                                                      "Icon-O-Matic-Menu-Shape"),
                                              0);
            } else {
                Command** commands = new Command*[2];
                commands[0] = pathCommand;
                commands[1] = shapeCommand;
                command = new CompoundCommand(commands, 2,
                                              B_TRANSLATE_CONTEXT("Add shape with path",
                                                      "Icon-O-Matic-Menu-Shape"),
                                              0);
            }
        } else {
            command = shapeCommand;
        }
        fDocument->CommandStack()->Perform(command);
        break;
    }

// TODO: listen to selection in CanvasView to add a manipulator
    case MSG_PATH_SELECTED: {
        VectorPath* path;
        if (message->FindPointer("path", (void**)&path) < B_OK)
            path = NULL;

        fPathListView->SetCurrentShape(NULL);
        fStyleListView->SetCurrentShape(NULL);
        fTransformerListView->SetShape(NULL);

        fState->DeleteManipulators();
        if (fDocument->Icon()->Paths()->HasPath(path)) {
            PathManipulator* pathManipulator = new (nothrow) PathManipulator(path);
            fState->AddManipulator(pathManipulator);
        }
        break;
    }
    case MSG_STYLE_SELECTED:
    case MSG_STYLE_TYPE_CHANGED: {
        Style* style;
        if (message->FindPointer("style", (void**)&style) < B_OK)
            style = NULL;
        if (!fDocument->Icon()->Styles()->HasStyle(style))
            style = NULL;

        fStyleView->SetStyle(style);
        fPathListView->SetCurrentShape(NULL);
        fStyleListView->SetCurrentShape(NULL);
        fTransformerListView->SetShape(NULL);

        fState->DeleteManipulators();
        Gradient* gradient = style ? style->Gradient() : NULL;
        if (gradient != NULL) {
            TransformGradientBox* transformBox
                = new (nothrow) TransformGradientBox(fCanvasView, gradient, NULL);
            fState->AddManipulator(transformBox);
        }
        break;
    }
    case MSG_SHAPE_SELECTED: {
        Shape* shape;
        if (message->FindPointer("shape", (void**)&shape) < B_OK)
            shape = NULL;
        if (!fIcon || !fIcon->Shapes()->HasShape(shape))
            shape = NULL;

        fPathListView->SetCurrentShape(shape);
        fStyleListView->SetCurrentShape(shape);
        fTransformerListView->SetShape(shape);

        BList selectedShapes;
        ShapeContainer* shapes = fDocument->Icon()->Shapes();
        int32 count = shapes->CountShapes();
        for (int32 i = 0; i < count; i++) {
            shape = shapes->ShapeAtFast(i);
            if (shape->IsSelected()) {
                selectedShapes.AddItem((void*)shape);
            }
        }

        fState->DeleteManipulators();
        if (selectedShapes.CountItems() > 0) {
            TransformShapesBox* transformBox = new (nothrow) TransformShapesBox(
                fCanvasView,
                (const Shape**)selectedShapes.Items(),
                selectedShapes.CountItems());
            fState->AddManipulator(transformBox);
        }
        break;
    }
    case MSG_RENAME_OBJECT:
        fPropertyListView->FocusNameProperty();
        break;

    default:
        BWindow::MessageReceived(message);
    }

    if (requiresWriteLock)
        fDocument->WriteUnlock();
}