Mercurial > projects > dwt-linux
diff dwt/widgets/TableItem.d @ 89:9f6c2c92be2b
Table, TableColumn and TableItem
author | Frank Benoit <benoit@tionex.de> |
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date | Wed, 16 Jan 2008 16:28:05 +0100 |
parents | |
children | 9ba02d7fb226 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dwt/widgets/TableItem.d Wed Jan 16 16:28:05 2008 +0100 @@ -0,0 +1,1278 @@ +/******************************************************************************* + * Copyright (c) 2000, 2007 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +module dwt.widgets.TableItem; + + + +import dwt.DWT; +import dwt.DWTException; +import dwt.graphics.Color; +import dwt.graphics.Font; +import dwt.graphics.Image; +import dwt.graphics.Rectangle; +import dwt.internal.gtk.OS; +import dwt.widgets.Item; +import dwt.widgets.Table; +import dwt.widgets.ImageList; + +import Math = tango.math.Math; + +class TreeItem { + const int EXPANDER_EXTRA_PADDING = 4; +} +/** + * Instances of this class represent a selectable user interface object + * that represents an item in a table. + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>(none)</dd> + * <dt><b>Events:</b></dt> + * <dd>(none)</dd> + * </dl> + * <p> + * IMPORTANT: This class is <em>not</em> intended to be subclassed. + * </p> + */ +public class TableItem : Item { + Table parent; + Font font; + Font[] cellFont; + bool cached, grayed; + +/** + * Constructs a new instance of this class given its parent + * (which must be a <code>Table</code>), a style value + * describing its behavior and appearance, and the index + * at which to place it in the items maintained by its parent. + * <p> + * The style value is either one of the style constants defined in + * class <code>DWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>DWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * @param index the zero-relative index to store the receiver in its parent + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</li> + * </ul> + * @exception DWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see DWT + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public this (Table parent, int style, int index) { + this (parent, style, index, true); +} + +/** + * Constructs a new instance of this class given its parent + * (which must be a <code>Table</code>) and a style value + * describing its behavior and appearance. The item is added + * to the end of the items maintained by its parent. + * <p> + * The style value is either one of the style constants defined in + * class <code>DWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>DWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception DWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see DWT + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public this (Table parent, int style) { + this (parent, style, checkNull (parent).getItemCount (), true); +} + + +this (Table parent, int style, int index, bool create) { + super (parent, style); + this.parent = parent; + if (create) { + parent.createItem (this, index); + } else { + GtkTreeIter handle; + OS.gtk_tree_model_iter_nth_child (parent.modelHandle, &handle, null, index); + } +} + +static Table checkNull (Table control) { + if (control is null) DWT.error (DWT.ERROR_NULL_ARGUMENT); + return control; +} + +protected void checkSubclass () { + if (!isValidSubclass ()) error (DWT.ERROR_INVALID_SUBCLASS); +} + +void clear () { + if (parent.currentItem is this) return; + if (cached || (parent.style & DWT.VIRTUAL) is 0) { + int columnCount = OS.gtk_tree_model_get_n_columns (parent.modelHandle); + for (int i=0; i<columnCount; i++) { + OS.gtk_list_store_set1 (parent.modelHandle, handle, i, null); + } + /* + * Bug in GTK. When using fixed-height-mode, + * row changes do not cause the row to be repainted. The fix is to + * invalidate the row when it is cleared. + */ + if ((parent.style & DWT.VIRTUAL) !is 0) { + if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2) && OS.GTK_VERSION < OS.buildVERSION (2, 6, 3)) { + redraw (); + } + } + } + cached = false; + font = null; + cellFont = null; +} + +void destroyWidget () { + parent.destroyItem (this); + releaseHandle (); +} + +/** + * Returns the receiver's background color. + * + * @return the background color + * + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 2.0 + */ +public Color getBackground () { + checkWidget (); + if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); + void* ptr; + OS.gtk_tree_model_get1 (parent.modelHandle, handle, Table.BACKGROUND_COLUMN, &ptr); + if (ptr is null) return parent.getBackground (); + GdkColor* gdkColor = cast(GdkColor*)ptr; + return Color.gtk_new (display, gdkColor); +} + +/** + * Returns a rectangle describing the receiver's size and location + * relative to its parent. + * + * @return the receiver's bounding rectangle + * + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.2 + */ +public Rectangle getBounds () { + // TODO fully test on early and later versions of GTK + // shifted a bit too far right on later versions of GTK - however, old Tree also had this problem + checkWidget (); + if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); + auto parentHandle = parent.handle; + auto column = OS.gtk_tree_view_get_column (parentHandle, 0); + if (column is null) return new Rectangle (0, 0, 0, 0); + auto textRenderer = parent.getTextRenderer (column); + auto pixbufRenderer = parent.getPixbufRenderer (column); + if (textRenderer is null || pixbufRenderer is null) return new Rectangle (0, 0, 0, 0); + + auto path = OS.gtk_tree_model_get_path (parent.modelHandle, handle); + OS.gtk_widget_realize (parentHandle); + + bool isExpander = OS.gtk_tree_model_iter_n_children (parent.modelHandle, handle) > 0; + bool isExpanded = cast(bool)OS.gtk_tree_view_row_expanded (parentHandle, path); + OS.gtk_tree_view_column_cell_set_cell_data (column, parent.modelHandle, handle, isExpander, isExpanded); + + GdkRectangle rect; + OS.gtk_tree_view_get_cell_area (parentHandle, path, column, &rect); + OS.gtk_tree_path_free (path); + int right = rect.x + rect.width; + + int x, w; + parent.ignoreSize = true; + OS.gtk_cell_renderer_get_size (textRenderer, parentHandle, null, null, null, &w, null); + parent.ignoreSize = false; + rect.width = w; + int buffer; + if (OS.gtk_tree_view_get_expander_column (parentHandle) is column) { + OS.gtk_widget_style_get1 (parentHandle, OS.expander_size.ptr, &buffer); + rect.x += buffer + TreeItem.EXPANDER_EXTRA_PADDING; + } + OS.gtk_widget_style_get1 (parentHandle, OS.horizontal_separator.ptr, &buffer); + int horizontalSeparator = buffer; + rect.x += horizontalSeparator; + + if (OS.GTK_VERSION >= OS.buildVERSION (2, 1, 3)) { + OS.gtk_tree_view_column_cell_get_position (column, textRenderer, &x, null); + rect.x += x; + } else { + if ((parent.style & DWT.CHECK) !is 0) { + OS.gtk_cell_renderer_get_size (parent.checkRenderer, parentHandle, null, null, null, &w, null); + rect.x += w + horizontalSeparator; + } + OS.gtk_cell_renderer_get_size (pixbufRenderer, parentHandle, null, null, null, &w, null); + rect.x += w + horizontalSeparator; + } + if (parent.columnCount > 0) { + if (rect.x + rect.width > right) { + rect.width = Math.max (0, right - rect.x); + } + } + return new Rectangle (rect.x, rect.y, rect.width + 1, rect.height + 1); +} + +/** + * Returns the background color at the given column index in the receiver. + * + * @param index the column index + * @return the background color + * + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.0 + */ +public Color getBackground (int index) { + checkWidget (); + if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); + int count = Math.max (1, parent.columnCount); + if (0 > index || index > count - 1) return getBackground (); + void* ptr; + int modelIndex = parent.columnCount is 0 ? Table.FIRST_COLUMN : parent.columns [index].modelIndex; + OS.gtk_tree_model_get1 (parent.modelHandle, handle, modelIndex + Table.CELL_BACKGROUND, &ptr); + if (ptr is null) return getBackground (); + GdkColor* gdkColor = cast(GdkColor*)ptr; + return Color.gtk_new (display, gdkColor); +} + +/** + * Returns a rectangle describing the receiver's size and location + * relative to its parent at a column in the table. + * + * @param index the index that specifies the column + * @return the receiver's bounding column rectangle + * + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Rectangle getBounds (int index) { + checkWidget(); + if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); + auto parentHandle = parent.handle; + GtkTreeViewColumn* column; + if (index >= 0 && index < parent.columnCount) { + column = cast(GtkTreeViewColumn*)parent.columns [index].handle; + } else { + column = OS.gtk_tree_view_get_column (parentHandle, index); + } + if (column is null) return new Rectangle (0, 0, 0, 0); + auto path = OS.gtk_tree_model_get_path (parent.modelHandle, handle); + OS.gtk_widget_realize (parentHandle); + GdkRectangle rect; + OS.gtk_tree_view_get_cell_area (parentHandle, path, column, &rect); + OS.gtk_tree_path_free (path); + + if (index is 0 && (parent.style & DWT.CHECK) !is 0) { + if (OS.GTK_VERSION >= OS.buildVERSION (2, 1, 3)) { + int x, w; + OS.gtk_tree_view_column_cell_get_position (column, parent.checkRenderer, &x, &w); + rect.x += x + w; + rect.width -= x + w; + } else { + int w; + OS.gtk_cell_renderer_get_size (parent.checkRenderer, parentHandle, null, null, null, &w, null); + int buffer; + OS.gtk_widget_style_get1 (parentHandle, OS.horizontal_separator.ptr, &buffer); + rect.x += w + buffer; + rect.width -= w + buffer; + } + } + return new Rectangle (rect.x, rect.y, rect.width + 1, rect.height + 1); +} + +/** + * Returns <code>true</code> if the receiver is checked, + * and false otherwise. When the parent does not have + * the <code>CHECK</code> style, return false. + * + * @return the checked state of the checkbox + * + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public bool getChecked () { + checkWidget(); + if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); + if ((parent.style & DWT.CHECK) is 0) return false; + void* ptr; + OS.gtk_tree_model_get1 (parent.modelHandle, handle, Table.CHECKED_COLUMN, &ptr); + return ptr !is null; +} + +/** + * Returns the font that the receiver will use to paint textual information for this item. + * + * @return the receiver's font + * + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.0 + */ +public Font getFont () { + checkWidget (); + if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); + return font !is null ? font : parent.getFont (); +} + +/** + * Returns the font that the receiver will use to paint textual information + * for the specified cell in this item. + * + * @param index the column index + * @return the receiver's font + * + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.0 + */ +public Font getFont (int index) { + checkWidget (); + if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); + int count = Math.max (1, parent.columnCount); + if (0 > index || index > count - 1) return getFont (); + if (cellFont is null || cellFont [index] is null) return getFont (); + return cellFont [index]; +} + +/** + * Returns the foreground color that the receiver will use to draw. + * + * @return the receiver's foreground color + * + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 2.0 + */ +public Color getForeground () { + checkWidget (); + if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); + void* ptr; + OS.gtk_tree_model_get1 (parent.modelHandle, handle, Table.FOREGROUND_COLUMN, &ptr); + if (ptr is null) return parent.getForeground (); + GdkColor* gdkColor = cast(GdkColor*)ptr; + return Color.gtk_new (display, gdkColor); +} + +/** + * + * Returns the foreground color at the given column index in the receiver. + * + * @param index the column index + * @return the foreground color + * + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.0 + */ +public Color getForeground (int index) { + checkWidget (); + if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); + int count = Math.max (1, parent.columnCount); + if (0 > index || index > count - 1) return getForeground (); + void* ptr; + int modelIndex = parent.columnCount is 0 ? Table.FIRST_COLUMN : parent.columns [index].modelIndex; + OS.gtk_tree_model_get1 (parent.modelHandle, handle, modelIndex + Table.CELL_FOREGROUND, &ptr); + if (ptr is null) return getForeground (); + GdkColor* gdkColor = cast(GdkColor*)ptr; + return Color.gtk_new (display, gdkColor); +} + +/** + * Returns <code>true</code> if the receiver is grayed, + * and false otherwise. When the parent does not have + * the <code>CHECK</code> style, return false. + * + * @return the grayed state of the checkbox + * + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public bool getGrayed () { + checkWidget (); + if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); + if ((parent.style & DWT.CHECK) is 0) return false; + return grayed; +} + +public Image getImage () { + checkWidget (); + if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); + return getImage (0); +} + +/** + * Returns the image stored at the given column index in the receiver, + * or null if the image has not been set or if the column does not exist. + * + * @param index the column index + * @return the image stored at the given column index in the receiver + * + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Image getImage (int index) { + checkWidget (); + if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); + int count = Math.max (1, parent.getColumnCount ()); + if (0 > index || index > count - 1) return null; + void* ptr; + int modelIndex = parent.columnCount is 0 ? Table.FIRST_COLUMN : parent.columns [index].modelIndex; + OS.gtk_tree_model_get1 (parent.modelHandle, handle, modelIndex + Table.CELL_PIXBUF, &ptr); + if (ptr is null) return null; + ImageList imageList = parent.imageList; + int imageIndex = imageList.indexOf (ptr); + if (imageIndex is -1) return null; + return imageList.get (imageIndex); +} + +/** + * Returns a rectangle describing the size and location + * relative to its parent of an image at a column in the + * table. An empty rectangle is returned if index exceeds + * the index of the table's last column. + * + * @param index the index that specifies the column + * @return the receiver's bounding image rectangle + * + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Rectangle getImageBounds (int index) { + checkWidget (); + if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); + auto parentHandle = parent.handle; + GtkTreeViewColumn* column; + if (index >= 0 && index < parent.columnCount) { + column = cast(GtkTreeViewColumn*)parent.columns [index].handle; + } else { + column = OS.gtk_tree_view_get_column (parentHandle, index); + } + if (column is null) return new Rectangle (0, 0, 0, 0); + auto pixbufRenderer = parent.getPixbufRenderer (column); + if (pixbufRenderer is null) return new Rectangle (0, 0, 0, 0); + GdkRectangle rect; + auto path = OS.gtk_tree_model_get_path (parent.modelHandle, handle); + OS.gtk_widget_realize (parentHandle); + OS.gtk_tree_view_get_cell_area (parentHandle, path, column, &rect); + OS.gtk_tree_path_free (path); + + /* + * The OS call gtk_cell_renderer_get_size() provides the width of image to be drawn + * by the cell renderer. If there is no image in the cell, the width is zero. If the table contains + * images of varying widths, gtk_cell_renderer_get_size() will return the width of the image, + * not the width of the area in which the image is drawn. + * New API was added in GTK 2.1.3 for determining the full width of the renderer area. + * For earlier versions of GTK, the result is only correct if all rows have images of the same + * width. + */ + if (OS.GTK_VERSION >= OS.buildVERSION (2, 1, 3)) { + int x, w; + OS.gtk_tree_view_column_cell_get_position (column, pixbufRenderer, &x, &w); + rect.x += x; + rect.width = w; + } else { + int w; + OS.gtk_tree_view_column_cell_set_cell_data (column, parent.modelHandle, handle, false, false); + OS.gtk_cell_renderer_get_size (pixbufRenderer, parentHandle, null, null, null, &w, null); + rect.width = w; + } + return new Rectangle (rect.x, rect.y, rect.width, rect.height + 1); +} + +/** + * Gets the image indent. + * + * @return the indent + * + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getImageIndent () { + checkWidget (); + if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); + /* Image indent is not supported on GTK */ + return 0; +} + +char[] getNameText () { + if ((parent.style & DWT.VIRTUAL) !is 0) { + if (!cached) return "*virtual*"; //$NON-NLS-1$ + } + return super.getNameText (); +} + +/** + * Returns the receiver's parent, which must be a <code>Table</code>. + * + * @return the receiver's parent + * + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Table getParent () { + checkWidget (); + return parent; +} + +public char[] getText () { + checkWidget (); + if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); + return getText (0); +} + +/** + * Returns the text stored at the given column index in the receiver, + * or empty string if the text has not been set. + * + * @param index the column index + * @return the text stored at the given column index in the receiver + * + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public char[] getText (int index) { + checkWidget (); + if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); + int count = Math.max (1, parent.getColumnCount ()); + if (0 > index || index > count - 1) return ""; + char* ptr; + int modelIndex = parent.columnCount is 0 ? Table.FIRST_COLUMN : parent.columns [index].modelIndex; + OS.gtk_tree_model_get1 (parent.modelHandle, handle, modelIndex + Table.CELL_TEXT, cast(void**) &ptr); + if (ptr is null) return ""; + char[] res = tango.stdc.stringz.fromUtf8z( ptr ).dup; + OS.g_free (ptr); + return res; +} + +/** + * Returns a rectangle describing the size and location + * relative to its parent of the text at a column in the + * table. An empty rectangle is returned if index exceeds + * the index of the table's last column. + * + * @param index the index that specifies the column + * @return the receiver's bounding text rectangle + * + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.3 + */ +public Rectangle getTextBounds (int index) { + checkWidget (); + if (!parent.checkData (this)) error (DWT.ERROR_WIDGET_DISPOSED); + int count = Math.max (1, parent.getColumnCount ()); + if (0 > index || index > count - 1) return new Rectangle (0, 0, 0, 0); + // TODO fully test on early and later versions of GTK + // shifted a bit too far right on later versions of GTK - however, old Tree also had this problem + auto parentHandle = parent.handle; + GtkTreeViewColumn* column; + if (index >= 0 && index < parent.columnCount) { + column = cast(GtkTreeViewColumn*)parent.columns [index].handle; + } else { + column = OS.gtk_tree_view_get_column (parentHandle, index); + } + if (column is null) return new Rectangle (0, 0, 0, 0); + auto textRenderer = parent.getTextRenderer (column); + auto pixbufRenderer = parent.getPixbufRenderer (column); + if (textRenderer is null || pixbufRenderer is null) return new Rectangle (0, 0, 0, 0); + + auto path = OS.gtk_tree_model_get_path (parent.modelHandle, handle); + OS.gtk_widget_realize (parentHandle); + + bool isExpander = OS.gtk_tree_model_iter_n_children (parent.modelHandle, handle) > 0; + bool isExpanded = cast(bool)OS.gtk_tree_view_row_expanded (parentHandle, path); + OS.gtk_tree_view_column_cell_set_cell_data (column, parent.modelHandle, handle, isExpander, isExpanded); + + GdkRectangle rect; + OS.gtk_tree_view_get_cell_area (parentHandle, path, column, &rect); + OS.gtk_tree_path_free (path); + int right = rect.x + rect.width; + + int x, w; + parent.ignoreSize = true; + OS.gtk_cell_renderer_get_size (textRenderer, parentHandle, null, null, null, &w, null); + parent.ignoreSize = false; + int buffer; + if (OS.gtk_tree_view_get_expander_column (parentHandle) is column) { + OS.gtk_widget_style_get1 (parentHandle, OS.expander_size.ptr, &buffer); + rect.x += buffer + TreeItem.EXPANDER_EXTRA_PADDING; + } + OS.gtk_widget_style_get1 (parentHandle, OS.horizontal_separator.ptr, &buffer); + int horizontalSeparator = buffer; + rect.x += horizontalSeparator; + + if (OS.GTK_VERSION >= OS.buildVERSION (2, 1, 3)) { + OS.gtk_tree_view_column_cell_get_position (column, textRenderer, &x, null); + rect.x += x; + } else { + if ((parent.style & DWT.CHECK) !is 0) { + OS.gtk_cell_renderer_get_size (parent.checkRenderer, parentHandle, null, null, null, &w, null); + rect.x += w + horizontalSeparator; + } + OS.gtk_cell_renderer_get_size (pixbufRenderer, parentHandle, null, null, null, &w, null); + rect.x += w + horizontalSeparator; + } + if (parent.columnCount > 0) { + if (rect.x + rect.width > right) { + rect.width = Math.max (0, right - rect.x); + } + } + return new Rectangle (rect.x, rect.y, rect.width + 1, rect.height + 1); +} + +void redraw () { + if ((OS.GTK_WIDGET_FLAGS (parent.handle) & OS.GTK_REALIZED) !is 0) { + auto parentHandle = parent.handle; + auto path = OS.gtk_tree_model_get_path (parent.modelHandle, handle); + GdkRectangle rect; + OS.gtk_tree_view_get_cell_area (parentHandle, path, null, &rect); + OS.gtk_tree_path_free (path); + auto window = OS.gtk_tree_view_get_bin_window (parentHandle); + rect.x = 0; + int w, h; + OS.gdk_drawable_get_size (window, &w, &h); + rect.width = w; + OS.gdk_window_invalidate_rect (window, &rect, false); + } +} + +void releaseHandle () { + if (handle !is null) OS.g_free (handle); + handle = null; + super.releaseHandle (); + parent = null; +} + +void releaseWidget () { + super.releaseWidget (); + font = null; + cellFont = null; +} + +/** + * Sets the receiver's background color to the color specified + * by the argument, or to the default system color for the item + * if the argument is null. + * + * @param color the new color (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> + * </ul> + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 2.0 + */ +public void setBackground (Color color) { + checkWidget (); + if (color !is null && color.isDisposed ()) { + DWT.error (DWT.ERROR_INVALID_ARGUMENT); + } + GdkColor* gdkColor = color !is null ? color.handle : null; + OS.gtk_list_store_set1 (parent.modelHandle, handle, Table.BACKGROUND_COLUMN, gdkColor); + /* + * Bug in GTK. When using fixed-height-mode, + * row changes do not cause the row to be repainted. The fix is to + * invalidate the row when it is cleared. + */ + if ((parent.style & DWT.VIRTUAL) !is 0) { + if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2) && OS.GTK_VERSION < OS.buildVERSION (2, 6, 3)) { + redraw (); + } + } + cached = true; +} + +/** + * Sets the background color at the given column index in the receiver + * to the color specified by the argument, or to the default system color for the item + * if the argument is null. + * + * @param index the column index + * @param color the new color (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> + * </ul> + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.0 + */ +public void setBackground (int index, Color color) { + checkWidget (); + if (color !is null && color.isDisposed ()) { + DWT.error (DWT.ERROR_INVALID_ARGUMENT); + } + int count = Math.max (1, parent.getColumnCount ()); + if (0 > index || index > count - 1) return; + int modelIndex = parent.columnCount is 0 ? Table.FIRST_COLUMN : parent.columns [index].modelIndex; + GdkColor* gdkColor = color !is null ? color.handle : null; + OS.gtk_list_store_set1 (parent.modelHandle, handle, modelIndex + Table.CELL_BACKGROUND, gdkColor); + /* + * Bug in GTK. When using fixed-height-mode, + * row changes do not cause the row to be repainted. The fix is to + * invalidate the row when it is cleared. + */ + if ((parent.style & DWT.VIRTUAL) !is 0) { + if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2) && OS.GTK_VERSION < OS.buildVERSION (2, 6, 3)) { + redraw (); + } + } + cached = true; + + if (color !is null) { + bool customDraw = (parent.columnCount is 0) ? parent.firstCustomDraw : parent.columns [index].customDraw; + if (!customDraw) { + if ((parent.style & DWT.VIRTUAL) is 0) { + auto parentHandle = parent.handle; + GtkTreeViewColumn* column; + if (parent.columnCount > 0) { + column = cast(GtkTreeViewColumn*)parent.columns [index].handle; + } else { + column = OS.gtk_tree_view_get_column (parentHandle, index); + } + if (column is null) return; + auto textRenderer = parent.getTextRenderer (column); + auto imageRenderer = parent.getPixbufRenderer (column); + display.doCellDataProc( parentHandle, column, cast(GtkCellRenderer*)textRenderer ); + display.doCellDataProc( parentHandle, column, cast(GtkCellRenderer*)imageRenderer ); + } + if (parent.columnCount is 0) { + parent.firstCustomDraw = true; + } else { + parent.columns [index].customDraw = true; + } + } + } +} + +/** + * Sets the checked state of the checkbox for this item. This state change + * only applies if the Table was created with the DWT.CHECK style. + * + * @param checked the new checked state of the checkbox + * + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setChecked (bool checked) { + checkWidget(); + if ((parent.style & DWT.CHECK) is 0) return; + OS.gtk_list_store_set1 (parent.modelHandle, handle, Table.CHECKED_COLUMN, cast(void*)cast(int)checked); + /* + * GTK+'s "inconsistent" state does not match DWT's concept of grayed. To + * show checked+grayed differently from unchecked+grayed, we must toggle the + * grayed state on check and uncheck. + */ + OS.gtk_list_store_set1 (parent.modelHandle, handle, Table.GRAYED_COLUMN, cast(void*)cast(int)( !checked ? false : grayed)); + cached = true; +} + +/** + * Sets the font that the receiver will use to paint textual information + * for this item to the font specified by the argument, or to the default font + * for that kind of control if the argument is null. + * + * @param font the new font (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> + * </ul> + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.0 + */ +public void setFont (Font font){ + checkWidget (); + if (font !is null && font.isDisposed ()) { + DWT.error (DWT.ERROR_INVALID_ARGUMENT); + } + if (this.font is font) return; + if (this.font !is null && this.font ==/*eq*/font ) return; + this.font = font; + auto fontHandle = font !is null ? font.handle : null; + OS.gtk_list_store_set1 (parent.modelHandle, handle, Table.FONT_COLUMN, fontHandle); + /* + * Bug in GTK. When using fixed-height-mode, + * row changes do not cause the row to be repainted. The fix is to + * invalidate the row when it is cleared. + */ + if ((parent.style & DWT.VIRTUAL) !is 0) { + if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2) && OS.GTK_VERSION < OS.buildVERSION (2, 6, 3)) { + redraw (); + } + } + cached = true; +} + +/** + * Sets the font that the receiver will use to paint textual information + * for the specified cell in this item to the font specified by the + * argument, or to the default font for that kind of control if the + * argument is null. + * + * @param index the column index + * @param font the new font (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> + * </ul> + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.0 + */ +public void setFont (int index, Font font) { + checkWidget (); + if (font !is null && font.isDisposed ()) { + DWT.error (DWT.ERROR_INVALID_ARGUMENT); + } + int count = Math.max (1, parent.getColumnCount ()); + if (0 > index || index > count - 1) return; + if (cellFont is null) { + cellFont = new Font [count]; + } + if (cellFont [index] is font) return; + if (cellFont [index] !is null && cellFont [index] ==/*eq*/ font) return; + cellFont [index] = font; + + int modelIndex = parent.columnCount is 0 ? Table.FIRST_COLUMN : parent.columns [index].modelIndex; + auto fontHandle = font !is null ? font.handle : null; + OS.gtk_list_store_set1 (parent.modelHandle, handle, modelIndex + Table.CELL_FONT, fontHandle); + /* + * Bug in GTK. When using fixed-height-mode, + * row changes do not cause the row to be repainted. The fix is to + * invalidate the row when it is cleared. + */ + if ((parent.style & DWT.VIRTUAL) !is 0) { + if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2) && OS.GTK_VERSION < OS.buildVERSION (2, 6, 3)) { + redraw (); + } + } + cached = true; + + if (font !is null) { + bool customDraw = (parent.columnCount is 0) ? parent.firstCustomDraw : parent.columns [index].customDraw; + if (!customDraw) { + if ((parent.style & DWT.VIRTUAL) is 0) { + auto parentHandle = parent.handle; + GtkTreeViewColumn* column; + if (parent.columnCount > 0) { + column = cast(GtkTreeViewColumn*)parent.columns [index].handle; + } else { + column = OS.gtk_tree_view_get_column (parentHandle, index); + } + if (column is null) return; + auto textRenderer = parent.getTextRenderer (column); + auto imageRenderer = parent.getPixbufRenderer (column); + display.doCellDataProc( parentHandle, column, cast(GtkCellRenderer*)textRenderer ); + display.doCellDataProc( parentHandle, column, cast(GtkCellRenderer*)imageRenderer ); + } + if (parent.columnCount is 0) { + parent.firstCustomDraw = true; + } else { + parent.columns [index].customDraw = true; + } + } + } +} + +/** + * Sets the receiver's foreground color to the color specified + * by the argument, or to the default system color for the item + * if the argument is null. + * + * @param color the new color (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> + * </ul> + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 2.0 + */ +public void setForeground (Color color){ + checkWidget (); + if (color !is null && color.isDisposed ()) { + DWT.error (DWT.ERROR_INVALID_ARGUMENT); + } + GdkColor* gdkColor = color !is null ? color.handle : null; + OS.gtk_list_store_set1 (parent.modelHandle, handle, Table.FOREGROUND_COLUMN, gdkColor); + /* + * Bug in GTK. When using fixed-height-mode, + * row changes do not cause the row to be repainted. The fix is to + * invalidate the row when it is cleared. + */ + if ((parent.style & DWT.VIRTUAL) !is 0) { + if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2) && OS.GTK_VERSION < OS.buildVERSION (2, 6, 3)) { + redraw (); + } + } + cached = true; +} + +/** + * Sets the foreground color at the given column index in the receiver + * to the color specified by the argument, or to the default system color for the item + * if the argument is null. + * + * @param index the column index + * @param color the new color (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> + * </ul> + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.0 + */ +public void setForeground (int index, Color color){ + checkWidget (); + if (color !is null && color.isDisposed ()) { + DWT.error (DWT.ERROR_INVALID_ARGUMENT); + } + int count = Math.max (1, parent.getColumnCount ()); + if (0 > index || index > count - 1) return; + int modelIndex = parent.columnCount is 0 ? Table.FIRST_COLUMN : parent.columns [index].modelIndex; + GdkColor* gdkColor = color !is null ? color.handle : null; + OS.gtk_list_store_set1 (parent.modelHandle, handle, modelIndex + Table.CELL_FOREGROUND, gdkColor); + /* + * Bug in GTK. When using fixed-height-mode, + * row changes do not cause the row to be repainted. The fix is to + * invalidate the row when it is cleared. + */ + if ((parent.style & DWT.VIRTUAL) !is 0) { + if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2) && OS.GTK_VERSION < OS.buildVERSION (2, 6, 3)) { + redraw (); + } + } + cached = true; + + if (color !is null) { + bool customDraw = (parent.columnCount is 0) ? parent.firstCustomDraw : parent.columns [index].customDraw; + if (!customDraw) { + if ((parent.style & DWT.VIRTUAL) is 0) { + auto parentHandle = parent.handle; + GtkTreeViewColumn* column; + if (parent.columnCount > 0) { + column = cast(GtkTreeViewColumn*)parent.columns [index].handle; + } else { + column = OS.gtk_tree_view_get_column (parentHandle, index); + } + if (column is null) return; + auto textRenderer = parent.getTextRenderer (column); + auto imageRenderer = parent.getPixbufRenderer (column); + display.doCellDataProc( parentHandle, column, cast(GtkCellRenderer*)textRenderer ); + display.doCellDataProc( parentHandle, column, cast(GtkCellRenderer*)imageRenderer ); + } + if (parent.columnCount is 0) { + parent.firstCustomDraw = true; + } else { + parent.columns [index].customDraw = true; + } + } + } +} + +/** + * Sets the grayed state of the checkbox for this item. This state change + * only applies if the Table was created with the DWT.CHECK style. + * + * @param grayed the new grayed state of the checkbox; + * + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setGrayed (bool grayed) { + checkWidget(); + if ((parent.style & DWT.CHECK) is 0) return; + this.grayed = grayed; + /* + * GTK+'s "inconsistent" state does not match DWT's concept of grayed. + * Render checked+grayed as "inconsistent", unchecked+grayed as blank. + */ + void* ptr; + OS.gtk_tree_model_get1 (parent.modelHandle, handle, Table.CHECKED_COLUMN, &ptr); + OS.gtk_list_store_set1 (parent.modelHandle, handle, Table.GRAYED_COLUMN, cast(void*)cast(int)( ptr is null ? false : grayed)); + cached = true; +} + +/** + * Sets the receiver's image at a column. + * + * @param index the column index + * @param image the new image + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</li> + * </ul> + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setImage (int index, Image image) { + checkWidget (); + if (image !is null && image.isDisposed ()) { + error(DWT.ERROR_INVALID_ARGUMENT); + } + int count = Math.max (1, parent.getColumnCount ()); + if (0 > index || index > count - 1) return; + void* pixbuf; + if (image !is null) { + ImageList imageList = parent.imageList; + if (imageList is null) imageList = parent.imageList = new ImageList (); + int imageIndex = imageList.indexOf (image); + if (imageIndex is -1) imageIndex = imageList.add (image); + pixbuf = imageList.getPixbuf (imageIndex); + } + int modelIndex = parent.columnCount is 0 ? Table.FIRST_COLUMN : parent.columns [index].modelIndex; + OS.gtk_list_store_set1 (parent.modelHandle, handle, modelIndex + Table.CELL_PIXBUF, pixbuf); + /* + * Bug in GTK. When using fixed-height-mode, + * row changes do not cause the row to be repainted. The fix is to + * invalidate the row when it is cleared. + */ + if ((parent.style & DWT.VIRTUAL) !is 0) { + if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2) && OS.GTK_VERSION < OS.buildVERSION (2, 6, 3)) { + redraw (); + } + } + /* + * Bug in GTK. When in fixed height mode, GTK does not recalculate the cell renderer width + * when the image is changed in the model. The fix is to force it to recalculate the width if + * more space is required. + */ + if ((parent.style & DWT.VIRTUAL) !is 0 && parent.currentItem is null) { + if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2)) { + if (image !is null) { + auto parentHandle = parent.handle; + auto column = OS.gtk_tree_view_get_column (parentHandle, index); + int w; + auto pixbufRenderer = parent.getPixbufRenderer(column); + OS.gtk_tree_view_column_cell_get_position (column, pixbufRenderer, null, &w); + if (w < image.getBounds().width) { + /* + * There is no direct way to clear the cell renderer width so we + * are relying on the fact that it is done as part of modifying + * the style. + */ + auto style = OS.gtk_widget_get_modifier_style (parentHandle); + OS.gtk_widget_modify_style (parentHandle, style); + } + } + } + } + cached = true; +} + +public void setImage (Image image) { + checkWidget (); + setImage (0, image); +} + +/** + * Sets the image for multiple columns in the table. + * + * @param images the array of new images + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the array of images is null</li> + * <li>ERROR_INVALID_ARGUMENT - if one of the images has been disposed</li> + * </ul> + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setImage (Image [] images) { + checkWidget (); + if (images is null) error (DWT.ERROR_NULL_ARGUMENT); + for (int i=0; i<images.length; i++) { + setImage (i, images [i]); + } +} + +/** + * Sets the indent of the first column's image, expressed in terms of the image's width. + * + * @param indent the new indent + * + * </ul> + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @deprecated this functionality is not supported on most platforms + */ +public void setImageIndent (int indent) { + checkWidget (); + if (indent < 0) return; + /* Image indent is not supported on GTK */ + cached = true; +} + +/** + * Sets the receiver's text at a column + * + * @param index the column index + * @param string the new text + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the text is null</li> + * </ul> + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setText (int index, char[] string) { + checkWidget (); + if (string is null) error (DWT.ERROR_NULL_ARGUMENT); + int count = Math.max (1, parent.getColumnCount ()); + if (0 > index || index > count - 1) return; + char* buffer = tango.stdc.stringz.toStringz( string ); + int modelIndex = parent.columnCount is 0 ? Table.FIRST_COLUMN : parent.columns [index].modelIndex; + OS.gtk_list_store_set1 (parent.modelHandle, handle, modelIndex + Table.CELL_TEXT, buffer); + /* + * Bug in GTK. When using fixed-height-mode, + * row changes do not cause the row to be repainted. The fix is to + * invalidate the row when it is cleared. + */ + if ((parent.style & DWT.VIRTUAL) !is 0) { + if (OS.GTK_VERSION >= OS.buildVERSION (2, 3, 2) && OS.GTK_VERSION < OS.buildVERSION (2, 6, 3)) { + redraw (); + } + } + cached = true; +} + +public void setText (char[] string) { + checkWidget (); + setText (0, string); +} + +/** + * Sets the text for multiple columns in the table. + * + * @param strings the array of new strings + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the text is null</li> + * </ul> + * @exception DWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setText (char[] [] strings) { + checkWidget (); + if (strings is null) error (DWT.ERROR_NULL_ARGUMENT); + for (int i=0; i<strings.length; i++) { + char[] string = strings [i]; + if (string !is null) setText (i, string); + } +} +}