//
// GtkPlus.cs: Wraps GTK+, exposing its control painting features to code
// that uses System.Drawing types (such as IDeviceContext, Rectangle).
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Copyright (c) 2008 George Giolfan
//
// Authors:
// George Giolfan (georgegiolfan@yahoo.com)
//
using gpointerSystem.IntPtr;
using gbooleanSystem.Boolean;
using gintSystem.Int32;
using guintSystem.UInt32;
using guint8System.Byte;
using guint16System.UInt16;
using guint32System.UInt32;
using gfloatSystem.Single;
using gdoubleSystem.Double;
using PangoFontDescriptionPointerSystem.IntPtr;
using GDataPointerSystem.IntPtr;
using GObjectPointerSystem.IntPtr;
using GSListPointerSystem.IntPtr;
using GTypeSystem.IntPtr;
using GTypeClassPointerSystem.IntPtr;
using GTypeInstancePointerSystem.IntPtr;
using GdkColormapPointerSystem.IntPtr;
using GdkDrawablePointerSystem.IntPtr;
using GdkGCPointerSystem.IntPtr;
using GdkNativeWindowPointerSystem.IntPtr;
using GdkPixbufPointerSystem.IntPtr;
using GdkPixmapPointerSystem.IntPtr;
using GdkWindowPointerSystem.IntPtr;
using GtkAdjustmentPointerSystem.IntPtr;
using GtkBinPointerSystem.IntPtr;
using GtkContainerPointerSystem.IntPtr;
using GtkObjectPointerSystem.IntPtr;
using GtkStylePointerSystem.IntPtr;
using GtkToolbarPointerSystem.IntPtr;
using GtkToolItemPointerSystem.IntPtr;
using GtkTreeViewPointerSystem.IntPtr;
using GtkTreeViewColumnPointerSystem.IntPtr;
using GtkWidgetPointerSystem.IntPtr;
using GtkWindowPointerSystem.IntPtr;
using GtkAllocationSystem.Windows.Forms.VisualStyles.GtkPlus.GdkRectangle;
using GInitiallyUnownedSystem.Windows.Forms.VisualStyles.GtkPlus.GObject;
using System.Collections;
using System.Drawing;
using System.Drawing.Imaging;
using System.Reflection;
using System.Reflection.Emit;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace System.Windows.Forms.VisualStyles{
/// <summary>
/// </summary>
/// <remarks>
/// Inspired by ThemeGtk and QGtkStyle (http://labs.trolltech.com/page/Projects/Styles/GtkStyle). Tries to use the exact GTK+ logic in order to be compatible with all its themes.
/// </remarks>
class GtkPlus
{
#region Instance
static GtkPlus instance;
public static GtkPlus Instance {
get { return instance; }
}
#endregion
#region GTK+ initialization
public static bool Initialize ()
{
try {
if (gtk_check_version (2, 10, 0) != IntPtr.Zero)
return false;
//TODO: If we need to pass the actual arguments, duplicate the required code from GTK#.
int argc = 0;
string [] argv = new string [1];
bool result = gtk_init_check (ref argc, ref argv);
if (result)
instance = new GtkPlus ();
return result;
} catch (DllNotFoundException) {
return false;
}
}
#endregion
#region Fields
readonly int WidgetTypeCount = Enum.GetNames (typeof (WidgetType)).Length;
readonly GtkWidgetPointer [] widgets;
readonly GtkWidgetPointer window;
readonly GtkWidgetPointer @fixed;
readonly GtkStylePointer [] styles;
#region ComboBox
#if NET_2_0
readonly GtkWidgetPointer combo_box_drop_down_toggle_button;
readonly GtkWidgetPointer combo_box_drop_down_arrow;
GtkStylePointer combo_box_drop_down_toggle_button_style;
GtkStylePointer combo_box_drop_down_arrow_style;
#endif
#endregion
#region ToolBar
readonly GtkWidgetPointer tool_bar_button;
readonly GtkWidgetPointer tool_bar_toggle_button;
GtkStylePointer tool_bar_button_style;
GtkStylePointer tool_bar_toggle_button_style;
#endregion
#region TreeView
readonly GtkTreeViewColumnPointer tree_view_column;
readonly GtkWidgetPointer tree_view_column_button;
GtkStylePointer tree_view_column_button_style;
#endregion
#region Painters
readonly ButtonPainter button_painter = new ButtonPainter ();
readonly CheckBoxPainter check_box_painter = new CheckBoxPainter ();
readonly RadioButtonPainter radio_button_painter = new RadioButtonPainter ();
#region ComboBox
#if NET_2_0
readonly ComboBoxDropDownButtonPainter combo_box_drop_down_button_painter = new ComboBoxDropDownButtonPainter ();
readonly ComboBoxBorderPainter combo_box_border_painter = new ComboBoxBorderPainter ();
#endif
#endregion
#region GroupBox
readonly GroupBoxPainter group_box_painter = new GroupBoxPainter ();
#endregion
#region Header
readonly HeaderPainter header_painter = new HeaderPainter ();
#endregion
#region ProgressBar
readonly ProgressBarBarPainter progress_bar_bar_painter = new ProgressBarBarPainter ();
readonly ProgressBarChunkPainter progress_bar_chunk_painter = new ProgressBarChunkPainter ();
#endregion
#region ScrollBar
readonly ScrollBarArrowButtonPainter scroll_bar_arrow_button_painter = new ScrollBarArrowButtonPainter ();
readonly ScrollBarThumbButtonPainter scroll_bar_thumb_button_painter = new ScrollBarThumbButtonPainter ();
readonly ScrollBarTrackPainter scroll_bar_track_painter = new ScrollBarTrackPainter ();
#endregion
#region StatusBar
readonly StatusBarGripperPainter status_bar_gripper_painter = new StatusBarGripperPainter ();
#endregion
#region TabControl
readonly TabControlPanePainter tab_control_pane_painter = new TabControlPanePainter ();
readonly TabControlTabItemPainter tab_control_tab_item_painter = new TabControlTabItemPainter ();
#endregion
readonly TextBoxPainter text_box_painter = new TextBoxPainter ();
#region ToolBar
readonly ToolBarPainter tool_bar_painter = new ToolBarPainter ();
readonly ToolBarButtonPainter tool_bar_button_painter = new ToolBarButtonPainter ();
readonly ToolBarCheckedButtonPainter tool_bar_checked_button_painter = new ToolBarCheckedButtonPainter ();
#endregion
#region TrackBar
readonly TrackBarTrackPainter track_bar_track_painter = new TrackBarTrackPainter ();
readonly TrackBarThumbPainter track_bar_thumb_painter = new TrackBarThumbPainter ();
#endregion
readonly TreeViewGlyphPainter tree_view_glyph_painter = new TreeViewGlyphPainter ();
readonly UpDownPainter up_down_painter = new UpDownPainter ();
#endregion
#endregion
#region Constructor and finalizer
protected GtkPlus ()
{
widgets = new GtkWidgetPointer [WidgetTypeCount];
styles = new GtkStylePointer [WidgetTypeCount];
window = gtk_window_new (GtkWindowType.GTK_WINDOW_TOPLEVEL);
@fixed = gtk_fixed_new ();
gtk_container_add (window, @fixed);
#region Widget types
#region Button
gtk_container_add (@fixed, widgets [(int)WidgetType.Button] = gtk_button_new ());
GTK_WIDGET_SET_FLAGS (widgets [(int)WidgetType.Button], GtkWidgetFlags.GTK_CAN_DEFAULT);
#endregion
#region CheckBox
gtk_container_add (@fixed, widgets [(int)WidgetType.CheckBox] = gtk_check_button_new ());
#endregion
#region ComboBox
#if NET_2_0
gtk_container_add (@fixed, widgets [(int)WidgetType.ComboBox] = gtk_combo_box_entry_new ());
gtk_widget_realize (widgets [(int)WidgetType.ComboBox]);
combo_box_drop_down_toggle_button = GetFirstChildWidgetOfType.Get (widgets [(int)WidgetType.ComboBox], gtk_toggle_button_get_type ());
gtk_widget_realize (combo_box_drop_down_toggle_button);
combo_box_drop_down_arrow = GetFirstChildWidgetOfType.Get (combo_box_drop_down_toggle_button, gtk_arrow_get_type ());
g_object_ref (combo_box_drop_down_toggle_button_style = GetWidgetStyle (combo_box_drop_down_toggle_button));
g_object_ref (combo_box_drop_down_arrow_style = GetWidgetStyle (combo_box_drop_down_arrow));
#endif
#endregion
#region GroupBox
gtk_container_add (@fixed, widgets [(int)WidgetType.GroupBox] = gtk_frame_new (null));
#endregion
#region ProgressBar
gtk_container_add (@fixed, widgets [(int)WidgetType.ProgressBar] = gtk_progress_bar_new ());
#endregion
#region RadioButton
gtk_container_add (@fixed, widgets [(int)WidgetType.RadioButton] = gtk_radio_button_new (IntPtr.Zero));
#endregion
#region ScrollBar
gtk_container_add (@fixed, widgets [(int)WidgetType.HScrollBar] = gtk_hscrollbar_new (IntPtr.Zero));
gtk_container_add (@fixed, widgets [(int)WidgetType.VScrollBar] = gtk_vscrollbar_new (IntPtr.Zero));
#endregion
#region StatusBar
gtk_container_add (@fixed, widgets [(int)WidgetType.StatusBar] = gtk_statusbar_new ());
#endregion
#region TabControl
gtk_container_add (@fixed, widgets [(int)WidgetType.TabControl] = gtk_notebook_new ());
#endregion
#region TextBox
gtk_container_add (@fixed, widgets [(int)WidgetType.TextBox] = gtk_entry_new ());
#endregion
#region ToolBar
gtk_container_add (@fixed, widgets [(int)WidgetType.ToolBar] = gtk_toolbar_new ());
GtkToolItemPointer tool_button = gtk_tool_button_new (IntPtr.Zero, null);
gtk_toolbar_insert (widgets [(int)WidgetType.ToolBar], tool_button, -1);
tool_bar_button = gtk_bin_get_child (tool_button);
g_object_ref (tool_bar_button_style = GetWidgetStyle (tool_bar_button));
GtkToolItemPointer toggle_tool_button = gtk_toggle_tool_button_new ();
gtk_toolbar_insert (widgets [(int)WidgetType.ToolBar], toggle_tool_button, -1);
tool_bar_toggle_button = gtk_bin_get_child (toggle_tool_button);
g_object_ref (tool_bar_toggle_button_style = GetWidgetStyle (tool_bar_toggle_button));
#endregion
#region TrackBar
gtk_container_add (@fixed, widgets [(int)WidgetType.HorizontalTrackBar] = gtk_hscale_new_with_range (0, 1, 1));
gtk_container_add (@fixed, widgets [(int)WidgetType.VerticalTrackBar] = gtk_vscale_new_with_range (0, 1, 1));
#endregion
#region TreeView
gtk_container_add (@fixed, widgets [(int)WidgetType.TreeView] = gtk_tree_view_new ());
tree_view_column = gtk_tree_view_column_new ();
gtk_tree_view_insert_column (widgets [(int)WidgetType.TreeView], tree_view_column, -1);
GtkTreeViewColumn column_structure = (GtkTreeViewColumn)Marshal.PtrToStructure (tree_view_column, typeof (GtkTreeViewColumn));
tree_view_column_button = column_structure.button;
g_object_ref (tree_view_column_button_style = GetWidgetStyle (tree_view_column_button));
#endregion
#region UpDown
GtkAdjustmentPointer adjustment = gtk_adjustment_new (0, 0, 0, 0, 0, 0);
gtk_container_add (@fixed, widgets [(int)WidgetType.UpDown] = gtk_spin_button_new (adjustment, 0, 0));
#endregion
#endregion
for (int widget_index = 0; widget_index < WidgetTypeCount; widget_index++)
g_object_ref (styles [widget_index] = GetWidgetStyle (widgets [widget_index]));
}
~GtkPlus ()
{
gtk_object_destroy (window);
for (int widget_index = 0; widget_index < WidgetTypeCount; widget_index++)
g_object_unref (styles [widget_index]);
#region ComboBox
#if NET_2_0
g_object_unref (combo_box_drop_down_toggle_button_style);
g_object_unref (combo_box_drop_down_arrow_style);
#endif
#endregion
#region ToolBar
g_object_unref (tool_bar_button_style);
g_object_unref (tool_bar_toggle_button_style);
#endregion
#region TreeView
g_object_unref (tree_view_column_button_style);
#endregion
}
#endregion
#region Controls
#region Button
public void ButtonPaint (IDeviceContext dc, Rectangle bounds, Rectangle clippingArea, bool @default, GtkPlusState state)
{
button_painter.Configure (@default, state);
Paint (WidgetType.Button, bounds, dc, clippingArea, button_painter);
}
#endregion
#region CheckBox
public void CheckBoxPaint (IDeviceContext dc, Rectangle bounds, Rectangle clippingArea, GtkPlusState state, GtkPlusToggleButtonValue value)
{
check_box_painter.Configure (state, value);
Paint (WidgetType.CheckBox, bounds, dc, clippingArea, check_box_painter);
}
Size GetGtkCheckButtonIndicatorSize (WidgetType widgetType)
{
int indicator_size = GetWidgetStyleInteger (widgets [(int)widgetType], "indicator-size");
return new Size (indicator_size, indicator_size);
}
public Size CheckBoxGetSize ()
{
return GetGtkCheckButtonIndicatorSize (WidgetType.CheckBox);
}
#endregion
#region ComboBox
#if NET_2_0
public void ComboBoxPaintDropDownButton (IDeviceContext dc, Rectangle bounds, Rectangle clippingArea, GtkPlusState state)
{
combo_box_drop_down_button_painter.Configure (state);
Paint (WidgetType.ComboBox, bounds, dc, clippingArea, combo_box_drop_down_button_painter);
}
public void ComboBoxPaintBorder (IDeviceContext dc, Rectangle bounds, Rectangle clippingArea)
{
Paint (WidgetType.ComboBox, bounds, dc, clippingArea, combo_box_border_painter);
}
#endif
#endregion
#region GroupBox
public void GroupBoxPaint (IDeviceContext dc, Rectangle bounds, Rectangle excludedArea, GtkPlusState state)
{
group_box_painter.Configure (state);
PaintExcludingArea (WidgetType.GroupBox, bounds, dc, excludedArea, group_box_painter);
}
#endregion
#region Header
public void HeaderPaint (IDeviceContext dc, Rectangle bounds, Rectangle clippingArea, GtkPlusState state)
{
header_painter.Configure (state);
Paint (WidgetType.TreeView, bounds, dc, clippingArea, header_painter);
}
#endregion
#region ProgressBar
public void ProgressBarPaintBar (IDeviceContext dc, Rectangle bounds, Rectangle clippingArea)
{
Paint (WidgetType.ProgressBar, bounds, dc, clippingArea, progress_bar_bar_painter);
}
public void ProgressBarPaintChunk (IDeviceContext dc, Rectangle bounds, Rectangle clippingArea)
{
Paint (WidgetType.ProgressBar, bounds, dc, clippingArea, progress_bar_chunk_painter);
}
public Rectangle ProgressBarGetBackgroundContentRectagle (Rectangle bounds)
{
GtkStyle style = (GtkStyle)Marshal.PtrToStructure (gtk_widget_get_style (widgets [(int)WidgetType.ProgressBar]), typeof(GtkStyle));
bounds.Inflate (-style.xthickness, -style.ythickness);
return bounds;
}
#endregion
#region RadioButton
public void RadioButtonPaint (IDeviceContext dc, Rectangle bounds, Rectangle clippingArea, GtkPlusState state, GtkPlusToggleButtonValue value)
{
radio_button_painter.Configure (state, value);
Paint (WidgetType.RadioButton, bounds, dc, clippingArea, radio_button_painter);
}
public Size RadioButtonGetSize ()
{
return GetGtkCheckButtonIndicatorSize (WidgetType.RadioButton);
}
#endregion
#region ScrollBar
public void ScrollBarPaintArrowButton (IDeviceContext dc, Rectangle bounds, Rectangle clippingArea, GtkPlusState state, bool horizontal, bool upOrLeft)
{
scroll_bar_arrow_button_painter.Configure (state, horizontal, upOrLeft);
Paint (horizontal ? WidgetType.HScrollBar : WidgetType.VScrollBar, bounds, dc, clippingArea, scroll_bar_arrow_button_painter);
}
public void ScrollBarPaintThumbButton (IDeviceContext dc, Rectangle bounds, Rectangle clippingArea, GtkPlusState state, bool horizontal)
{
scroll_bar_thumb_button_painter.Configure (state, horizontal);
Paint (horizontal ? WidgetType.HScrollBar : WidgetType.VScrollBar, bounds, dc, clippingArea, scroll_bar_thumb_button_painter);
}
public void ScrollBarPaintTrack (IDeviceContext dc, Rectangle bounds, Rectangle clippingArea, GtkPlusState state, bool horizontal, bool upOrLeft)
{
scroll_bar_track_painter.Configure (state, upOrLeft);
Paint (horizontal ? WidgetType.HScrollBar : WidgetType.VScrollBar, bounds, dc, clippingArea, scroll_bar_track_painter);
}
#endregion
#region StatusBar
public void StatusBarPaintGripper (IDeviceContext dc, Rectangle bounds, Rectangle clippingArea)
{
Paint (WidgetType.StatusBar, bounds, dc, clippingArea, status_bar_gripper_painter);
}
#endregion
#region TabControl
public void TabControlPaintPane (IDeviceContext dc, Rectangle bounds, Rectangle clippingArea)
{
Paint (WidgetType.TabControl, bounds, dc, clippingArea, tab_control_pane_painter);
}
public void TabControlPaintTabItem (IDeviceContext dc, Rectangle bounds, Rectangle clippingArea, GtkPlusState state)
{
tab_control_tab_item_painter.Configure (state);
Paint (WidgetType.TabControl, bounds, dc, clippingArea, tab_control_tab_item_painter);
}
#endregion
#region TextBox
public void TextBoxPaint (IDeviceContext dc, Rectangle bounds, Rectangle excludedArea, GtkPlusState state)
{
text_box_painter.Configure (state);
PaintExcludingArea (WidgetType.TextBox, bounds, dc, excludedArea, text_box_painter);
}
#endregion
#region ToolBar
public void ToolBarPaint (IDeviceContext dc, Rectangle bounds, Rectangle clippingArea)
{
Paint (WidgetType.ToolBar, bounds, dc, clippingArea, tool_bar_painter);
}
public void ToolBarPaintButton (IDeviceContext dc, Rectangle bounds, Rectangle clippingArea, GtkPlusState state)
{
tool_bar_button_painter.Configure (state);
Paint (WidgetTypeNotNeeded, bounds, dc, clippingArea, tool_bar_button_painter);
}
public void ToolBarPaintCheckedButton (IDeviceContext dc, Rectangle bounds, Rectangle clippingArea)
{
Paint (WidgetTypeNotNeeded, bounds, dc, clippingArea, tool_bar_checked_button_painter);
}
#endregion
#region TrackBar
public void TrackBarPaintTrack (IDeviceContext dc, Rectangle bounds, Rectangle clippingArea, bool horizontal)
{
Paint (horizontal ? WidgetType.HorizontalTrackBar : WidgetType.VerticalTrackBar, bounds, dc, clippingArea, track_bar_track_painter);
}
public void TrackBarPaintThumb (IDeviceContext dc, Rectangle bounds, Rectangle clippingArea, GtkPlusState state, bool horizontal)
{
track_bar_thumb_painter.Configure (state, horizontal);
Paint (horizontal ? WidgetType.HorizontalTrackBar : WidgetType.VerticalTrackBar, bounds, dc, clippingArea, track_bar_thumb_painter);
}
#endregion
#region TreeView
public void TreeViewPaintGlyph (IDeviceContext dc, Rectangle bounds, Rectangle clippingArea, bool closed)
{
tree_view_glyph_painter.Configure (closed);
Paint (WidgetType.TreeView, bounds, dc, clippingArea, tree_view_glyph_painter);
}
#endregion
#region UpDown
public void UpDownPaint (IDeviceContext dc, Rectangle bounds, Rectangle clippingArea, bool up, GtkPlusState state)
{
up_down_painter.Configure (up, state);
Paint (WidgetType.UpDown, bounds, dc, clippingArea, up_down_painter);
}
#endregion
#endregion
#region Painting
void Paint (WidgetType widgetType, Rectangle bounds, IDeviceContext dc, Rectangle clippingArea, Painter painter)
{
Paint (widgetType, bounds, dc, TransparencyType.Alpha, Color.Black, DeviceContextType.Native, clippingArea, painter, Rectangle.Empty);
}
void PaintExcludingArea (WidgetType widgetType, Rectangle bounds, IDeviceContext dc, Rectangle excludedArea, Painter painter)
{
Paint (widgetType, bounds, dc, TransparencyType.Alpha, Color.Black, DeviceContextType.Native, bounds, painter, excludedArea);
}
void Paint (WidgetType widgetType, Rectangle bounds, IDeviceContext dc, TransparencyType transparencyType, Color background, DeviceContextType deviceContextType, Rectangle clippingArea, Painter painter, Rectangle excludedArea)
{
Rectangle painted_area = Rectangle.Intersect (bounds, clippingArea);
if (painted_area.Width == 0 || painted_area.Height == 0)
return;
painted_area.Offset (-bounds.X, -bounds.Y);
excludedArea.Offset (-bounds.X, -bounds.Y);
GdkDrawablePointer drawable = gdk_pixmap_new (IntPtr.Zero, bounds.Width, bounds.Height, 24);
painter.AttachStyle (widgetType, drawable, this);
GdkPixbufPointer pixbuf;
IntPtr pixel_data;
int rowstride;
GdkGCPointer gc = gdk_gc_new (drawable);
GdkColor color = new GdkColor (background);
gdk_gc_set_rgb_fg_color (gc, ref color);
Paint (drawable, gc, bounds, widgetType, out pixbuf, out pixel_data, out rowstride, painted_area, painter, excludedArea);
GdkPixbufPointer white_pixbuf = IntPtr.Zero;
IntPtr white_pixel_data = IntPtr.Zero;
int white_rowstride = 0;
GdkColor white_color = new GdkColor();
if (transparencyType == TransparencyType.Alpha) {
white_color.red = guint16.MaxValue;
white_color.green = guint16.MaxValue;
white_color.blue = guint16.MaxValue;
gdk_gc_set_rgb_fg_color (gc, ref white_color);
Paint (drawable, gc, bounds, widgetType, out white_pixbuf, out white_pixel_data, out white_rowstride, painted_area, painter, excludedArea);
}
g_object_unref (gc);
unsafe {
byte* row = (byte*)pixel_data;
byte* pixel;
byte* white_row = (byte*)white_pixel_data;
byte* white_pixel;
for (int row_index = 0; row_index < painted_area.Height; row_index++) {
pixel = row;
white_pixel = white_row;
for (int pixel_index = 0; pixel_index < painted_area.Width; pixel_index++) {
const int GdkRedOffset = 0;
const int GdkGreenOffset = 1;
const int GdkBlueOffset = 2;
const int BitmapAlphaOffset = 3;
const int BitmapRedOffset = 2;
const int BitmapBlueOffset = 0;
switch (transparencyType) {
case TransparencyType.Alpha:
pixel [BitmapAlphaOffset] = (byte)(pixel [GdkRedOffset] - white_pixel [GdkRedOffset] + byte.MaxValue);
break;
case TransparencyType.Color:
if (
pixel [GdkRedOffset] == background.R &&
pixel [GdkGreenOffset] == background.G &&
pixel [GdkBlueOffset] == background.B) {
const int AlphaFullyTransparent = 0;
pixel [BitmapAlphaOffset] = AlphaFullyTransparent;
}
break;
}
byte temporary = pixel [GdkRedOffset];
pixel [BitmapBlueOffset] = pixel [GdkBlueOffset];
pixel [BitmapRedOffset] = temporary;
const int PixelSize = 4;
pixel += PixelSize;
white_pixel += PixelSize;
}
row += rowstride;
white_row += white_rowstride;
}
}
if (transparencyType == TransparencyType.Alpha)
g_object_unref (white_pixbuf);
g_object_unref (drawable);
Bitmap bitmap = new Bitmap (painted_area.Width, painted_area.Height, rowstride, PixelFormat.Format32bppPArgb, pixel_data);
Graphics g;
#if NET_2_0
bool graphics_is_from_hdc = false;
#endif
switch (deviceContextType) {
case DeviceContextType.Graphics:
g = (Graphics)dc;
break;
case DeviceContextType.Native:
g = Graphics.FromHdc (dc.GetHdc ());
break;
default:
#if NET_2_0
g = dc as Graphics;
if (g == null) {
graphics_is_from_hdc = true;
g = Graphics.FromHdc (dc.GetHdc ());
} else
graphics_is_from_hdc = false;
#else
g = (Graphics)dc;
#endif
break;
}
painted_area.Offset (bounds.X, bounds.Y);
g.DrawImage (bitmap, painted_area.Location);
switch (deviceContextType) {
case DeviceContextType.Graphics:
break;
case DeviceContextType.Native:
g.Dispose ();
dc.ReleaseHdc ();
break;
default:
#if NET_2_0
if (graphics_is_from_hdc) {
g.Dispose ();
dc.ReleaseHdc ();
}
#endif
break;
}
bitmap.Dispose ();
g_object_unref (pixbuf);
}
void Paint (GdkDrawablePointer drawable, GdkGCPointer gc, Rectangle rectangle, WidgetType widgetType, out GdkPixbufPointer pixbuf, out IntPtr pixelData, out int rowstride, Rectangle clippingArea, Painter painter, Rectangle excludedArea)
{
gdk_draw_rectangle (drawable, gc, true, clippingArea.X, clippingArea.Y, clippingArea.Width, clippingArea.Height);
painter.Paint (styles [(int)widgetType], drawable, new GdkRectangle(clippingArea), widgets [(int)widgetType], 0, 0, rectangle.Width, rectangle.Height, this);
if (excludedArea.Width != 0)
gdk_draw_rectangle (drawable, gc, true, excludedArea.X, excludedArea.Y, excludedArea.Width, excludedArea.Height);
if (
(pixbuf = gdk_pixbuf_new (GdkColorspace.GDK_COLORSPACE_RGB, true, 8, clippingArea.Width, clippingArea.Height)) == IntPtr.Zero ||
gdk_pixbuf_get_from_drawable (pixbuf, drawable, IntPtr.Zero, clippingArea.X, clippingArea.Y, 0, 0, clippingArea.Width, clippingArea.Height) == IntPtr.Zero)
throw new OutOfMemoryException ();
pixelData = gdk_pixbuf_get_pixels (pixbuf);
rowstride = gdk_pixbuf_get_rowstride (pixbuf);
}
abstract class Painter
{
public virtual void AttachStyle (WidgetType widgetType, GdkDrawablePointer drawable, GtkPlus gtkPlus)
{
gtkPlus.styles [(int)widgetType] = gtk_style_attach (gtkPlus.styles [(int)widgetType], drawable);
}
public abstract void Paint (GtkStylePointer style, GdkWindowPointer window, GdkRectangle area, GtkWidgetPointer widget, gint x, gint y, gint width, gint height, GtkPlus gtkPlus);
}
enum TransparencyType
{
None,
Color,
Alpha
}
enum DeviceContextType
{
Unknown,
Graphics,
Native
}
#endregion
#region Painters
#region Button
class ButtonPainter : Painter
{
bool @default;
GtkPlusState state;
public void Configure (bool @default, GtkPlusState state) {
this.@default = @default;
this.state = state;
}
public override void Paint (GtkStylePointer style, GdkWindowPointer window, GdkRectangle area, GtkWidgetPointer widget, gint x, gint y, gint width, gint height, GtkPlus gtkPlus)
{
if (@default) {
gtk_window_set_default (gtkPlus.window, widget);
gtk_paint_box (
style,
window,
GtkStateType.GTK_STATE_NORMAL,
GtkShadowType.GTK_SHADOW_IN,
ref area,
widget,
"buttondefault",
x, y, width, height);
gtk_window_set_default (gtkPlus.window, IntPtr.Zero);
} else
gtk_paint_box (
style,
window,
(GtkStateType)state,
state == GtkPlusState.Pressed ? GtkShadowType.GTK_SHADOW_IN : GtkShadowType.GTK_SHADOW_OUT,
ref area,
widget,
"button",
x, y, width, height);
}
}
#endregion
#region CheckBox, RadioButton
abstract class ToggleButtonPainter : Painter
{
GtkPlusState state;
GtkPlusToggleButtonValue value;
public void Configure (GtkPlusState state, GtkPlusToggleButtonValue value)
{
this.state = state;
this.value = value;
}
public override void Paint (GtkStylePointer style, GdkWindowPointer window, GdkRectangle area, GtkWidgetPointer widget, gint x, gint y, gint width, gint height, GtkPlus gtkPlus)
{
PaintFunction (
style,
window,
(GtkStateType)state,
(GtkShadowType)value,
ref area,
widget,
Detail,
x, y, width,height);
}
protected abstract string Detail { get; }
protected abstract ToggleButtonPaintFunction PaintFunction { get; }
}
delegate void ToggleButtonPaintFunction (GtkStylePointer style, GdkWindowPointer window, GtkStateType state_type, GtkShadowType shadow_type, ref GdkRectangle area, GtkWidgetPointer widget, string detail, gint x, gint y, gint width, gint height);
class CheckBoxPainter : ToggleButtonPainter
{
protected override string Detail {
get {
return "checkbutton";
}
}
protected override ToggleButtonPaintFunction PaintFunction {
get {
return gtk_paint_check;
}
}
}
class RadioButtonPainter : ToggleButtonPainter
{
protected override string Detail {
get {
return "radiobutton";
}
}
protected override ToggleButtonPaintFunction PaintFunction {
get {
return gtk_paint_option;
}
}
}
#endregion
#region ComboBox
#if NET_2_0
class ComboBoxDropDownButtonPainter : Painter
{
GtkPlusState state;
public void Configure (GtkPlusState state)
{
this.state = state;
}
public override void AttachStyle (WidgetType widgetType, IntPtr drawable, GtkPlus gtkPlus)
{
gtkPlus.combo_box_drop_down_toggle_button_style = gtk_style_attach (gtkPlus.combo_box_drop_down_toggle_button_style, drawable);
gtkPlus.combo_box_drop_down_arrow_style = gtk_style_attach (gtkPlus.combo_box_drop_down_arrow_style, drawable);
}
public override void Paint (IntPtr style, IntPtr window, GdkRectangle area, IntPtr widget, int x, int y, int width, int height, GtkPlus gtkPlus)
{
GtkShadowType shadow_type;
switch (state) {
case GtkPlusState.Disabled:
shadow_type = GtkShadowType.GTK_SHADOW_ETCHED_IN;
break;
case GtkPlusState.Pressed:
shadow_type = GtkShadowType.GTK_SHADOW_IN;
break;
default:
shadow_type = GtkShadowType.GTK_SHADOW_OUT;
break;
}
gtk_paint_box (
gtkPlus.combo_box_drop_down_toggle_button_style,
window,
(GtkStateType)state,
shadow_type,
ref area,
gtkPlus.combo_box_drop_down_toggle_button,
"button",
x, y, width, height);
GtkMisc misc = (GtkMisc)Marshal.PtrToStructure (gtkPlus.combo_box_drop_down_arrow, typeof (GtkMisc));
int extent = (int)(Math.Min (width - misc.xpad * 2, height - misc.ypad * 2) * GetWidgetStyleSingle (gtkPlus.combo_box_drop_down_arrow, "arrow-scaling"));
gtk_paint_arrow (
gtkPlus.combo_box_drop_down_arrow_style,
window,
(GtkStateType)state,
GtkShadowType.GTK_SHADOW_NONE,
ref area,
gtkPlus.combo_box_drop_down_arrow,
"arrow",
GtkArrowType.GTK_ARROW_DOWN,
true,
(int)Math.Floor (x + misc.xpad + (width - extent) * misc.xalign),
(int)Math.Floor (y + misc.ypad + (height - extent) * misc.yalign),
extent, extent);
}
}
class ComboBoxBorderPainter : Painter
{
public override void Paint (IntPtr style, IntPtr window, GdkRectangle area, IntPtr widget, int x, int y, int width, int height, GtkPlus gtkPlus)
{
gtk_paint_shadow (
style,
window,
GtkStateType.GTK_STATE_NORMAL,
GtkShadowType.GTK_SHADOW_IN,
ref area,
widget,
"combobox",
x, y, width, height);
}
}
#endif
#endregion
#region GroupBox
class GroupBoxPainter : Painter
{
GtkPlusState state;
public void Configure (GtkPlusState state)
{
this.state = state;
}
public override void Paint (IntPtr style, IntPtr window, GdkRectangle area, IntPtr widget, int x, int y, int width, int height, GtkPlus gtkPlus)
{
gtk_paint_shadow (
style,
window,
(GtkStateType)state,
GtkShadowType.GTK_SHADOW_ETCHED_IN,
ref area,
widget,
"frame",
x, y, width, height);
}
}
#endregion
#region Header
class HeaderPainter : Painter
{
GtkPlusState state;
public void Configure (GtkPlusState state)
{
this.state = state;
}
public override void AttachStyle (WidgetType widgetType, IntPtr drawable, GtkPlus gtkPlus)
{
gtkPlus.tree_view_column_button_style = gtk_style_attach (gtkPlus.tree_view_column_button_style, drawable);
}
public override void Paint (IntPtr style, IntPtr window, GdkRectangle area, IntPtr widget, int x, int y, int width, int height, GtkPlus gtkPlus)
{
gtk_paint_box (
gtkPlus.tree_view_column_button_style,
window,
(GtkStateType)state,
state == GtkPlusState.Pressed ? GtkShadowType.GTK_SHADOW_IN : GtkShadowType.GTK_SHADOW_OUT,
ref area,
gtkPlus.tree_view_column_button,
"button",
x, y, width, height);
}
}
#endregion
#region ProgressBar
class ProgressBarBarPainter : Painter
{
public override void Paint (IntPtr style, IntPtr window, GdkRectangle area, IntPtr widget, int x, int y, int width, int height, GtkPlus gtkPlus)
{
gtk_paint_box (
style,
window,
GtkStateType.GTK_STATE_NORMAL,
GtkShadowType.GTK_SHADOW_IN,
ref area,
widget,
"trough",
x, y, width, height);
}
}
class ProgressBarChunkPainter : Painter
{
public override void Paint (IntPtr style, IntPtr window, GdkRectangle area, IntPtr widget, int x, int y, int width, int height, GtkPlus gtkPlus)
{
gtk_paint_box (
style,
window,
GtkStateType.GTK_STATE_PRELIGHT,
GtkShadowType.GTK_SHADOW_OUT,
ref area,
widget,
"bar",
x, y, width, height);
}
}
#endregion
#region ScrollBar
class ScrollBarArrowButtonPainter : Painter
{
GtkPlusState state;
bool horizontal;
bool up_or_left;
public void Configure (GtkPlusState state, bool horizontal, bool upOrLeft)
{
this.state = state;
this.horizontal = horizontal;
up_or_left = upOrLeft;
}
public override void Paint (IntPtr style, IntPtr window, GdkRectangle area, IntPtr widget, int x, int y, int width, int height, GtkPlus gtkPlus)
{
gboolean can_focus;
g_object_get (widget, "can-focus", out can_focus, IntPtr.Zero);
if (can_focus) {
int focus_line_width;
int focus_padding;
gtk_widget_style_get (widget,
"focus-line-width", out focus_line_width,
"focus-padding", out focus_padding,
IntPtr.Zero);
int focus_width = focus_line_width + focus_padding;
if (horizontal) {
y -= focus_width;
height -= 2 * focus_width;
} else {
x -= focus_width;
width -= 2 * focus_width;
}
}
GtkShadowType shadow_type = state == GtkPlusState.Pressed ? GtkShadowType.GTK_SHADOW_IN : GtkShadowType.GTK_SHADOW_OUT;
string detail = horizontal ? "hscrollbar" : "vscrollbar";
gtk_paint_box (
style,
window,
(GtkStateType)state,
shadow_type,
ref area,
widget,
detail,
x, y, width, height);
width /= 2;
height /= 2;
x += width / 2;
y += height / 2;
if (state == GtkPlusState.Pressed) {
int arrow_displacement_x;
int arrow_displacement_y;
gtk_widget_style_get (widget,
"arrow-displacement-x", out arrow_displacement_x,
"arrow-displacement-y", out arrow_displacement_y,
IntPtr.Zero);
x += arrow_displacement_x;
y += arrow_displacement_y;
}
gtk_paint_arrow (
style,
window,
(GtkStateType)state,
shadow_type,
ref area,
widget,
detail,
horizontal ? up_or_left ? GtkArrowType.GTK_ARROW_LEFT : GtkArrowType.GTK_ARROW_RIGHT : up_or_left ? GtkArrowType.GTK_ARROW_UP : GtkArrowType.GTK_ARROW_DOWN,
true,
x, y, width, height);
}
}
abstract class RangeThumbButtonPainter : Painter
{
GtkPlusState state;
bool horizontal;
protected bool Horizontal {
get { return horizontal; }
}
public void Configure (GtkPlusState state, bool horizontal)
{
this.state = state;
this.horizontal = horizontal;
}
public override void Paint (IntPtr style, IntPtr window, GdkRectangle area, IntPtr widget, int x, int y, int width, int height, GtkPlus gtkPlus)
{
gtk_paint_slider (
style,
window,
(GtkStateType)state,
state == GtkPlusState.Pressed && GetWidgetStyleBoolean (widget, "activate-slider") ? GtkShadowType.GTK_SHADOW_IN : GtkShadowType.GTK_SHADOW_OUT,
ref area,
widget,
Detail,
x, y, width, height,
horizontal ? GtkOrientation.GTK_ORIENTATION_HORIZONTAL : GtkOrientation.GTK_ORIENTATION_VERTICAL);
}
protected abstract string Detail { get; }
}
class ScrollBarThumbButtonPainter : RangeThumbButtonPainter
{
protected override string Detail {
get {
return "slider";
}
}
}
class ScrollBarTrackPainter : Painter
{
GtkPlusState state;
bool up_or_left;
public void Configure (GtkPlusState state, bool upOrLeft)
{
this.state = state;
up_or_left = upOrLeft;
}
public override void Paint (IntPtr style, IntPtr window, GdkRectangle area, IntPtr widget, int x, int y, int width, int height, GtkPlus gtkPlus)
{
gtk_paint_box (
style,
window,
state == GtkPlusState.Pressed ? GtkStateType.GTK_STATE_ACTIVE : GtkStateType.GTK_STATE_INSENSITIVE,
GtkShadowType.GTK_SHADOW_IN,
ref area,
widget,
GetWidgetStyleBoolean (widget, "trough-side-details") ?
up_or_left ? "trough-upper" : "trough-lower" :
"trough",
x, y, width, height);
}
}
#endregion
#region StatusBar
class StatusBarGripperPainter : Painter
{
public override void Paint (IntPtr style, IntPtr window, GdkRectangle area, IntPtr widget, int x, int y, int width, int height, GtkPlus gtkPlus)
{
gtk_paint_resize_grip (
style,
window,
GtkStateType.GTK_STATE_NORMAL,
ref area,
widget,
"statusbar",
GdkWindowEdge.GDK_WINDOW_EDGE_SOUTH_EAST,
x, y, width, height);
}
}
#endregion
#region TabControl
class TabControlPanePainter : Painter
{
public override void Paint (IntPtr style, IntPtr window, GdkRectangle area, IntPtr widget, int x, int y, int width, int height, GtkPlus gtkPlus)
{
gtk_paint_box_gap (
style,
window,
GtkStateType.GTK_STATE_NORMAL,
GtkShadowType.GTK_SHADOW_OUT,
ref area,
widget,
"notebook",
x, y, width, height,
GtkPositionType.GTK_POS_TOP,
0,
0);
}
}
class TabControlTabItemPainter : Painter
{
GtkPlusState state;
public void Configure (GtkPlusState state)
{
this.state = state;
}
public override void Paint (IntPtr style, IntPtr window, GdkRectangle area, IntPtr widget, int x, int y, int width, int height, GtkPlus gtkPlus)
{
gtk_paint_extension (
style,
window,
(GtkStateType)state,
GtkShadowType.GTK_SHADOW_OUT,
ref area,
widget,
"tab",
x, y, width, height,
GtkPositionType.GTK_POS_BOTTOM);
}
}
#endregion
#region TextBox
class TextBoxPainter : Painter
{
GtkPlusState state;
public void Configure (GtkPlusState state)
{
this.state = state;
}
public override void Paint (IntPtr style, IntPtr window, GdkRectangle area, IntPtr widget, int x, int y, int width, int height, GtkPlus gtkPlus)
{
gtk_paint_shadow (
style,
window,
GtkStateType.GTK_STATE_NORMAL,
GtkShadowType.GTK_SHADOW_IN,
ref area,
widget,
"entry",
x, y, width, height);
GtkStyle style_structure = (GtkStyle)Marshal.PtrToStructure (style, typeof (GtkStyle));
x += style_structure.xthickness;
y += style_structure.ythickness;
width -= 2 * style_structure.xthickness;
height -= 2 * style_structure.ythickness;
gtk_paint_flat_box (
style,
window,
(GtkStateType)state,
GtkShadowType.GTK_SHADOW_NONE,
ref area,
widget,
"entry_bg",
x, y, width, height);
}
}
#endregion
#region ToolBar
class ToolBarPainter : Painter
{
public override void Paint (IntPtr style, IntPtr window, GdkRectangle area, IntPtr widget, int x, int y, int width, int height, GtkPlus gtkPlus)
{
gtk_paint_box (
style,
window,
GtkStateType.GTK_STATE_NORMAL,
GetWidgetStyleShadowType (widget),
ref area,
widget,
"toolbar",
x, y, width, height);
}
}
class ToolBarButtonPainter : Painter
{
GtkPlusState state;
public void Configure (GtkPlusState state) {
this.state = state;
}
public override void AttachStyle (WidgetType widgetType, IntPtr drawable, GtkPlus gtkPlus)
{
gtkPlus.tool_bar_button_style = gtk_style_attach (gtkPlus.tool_bar_button_style, drawable);
}
public override void Paint (GtkStylePointer style, GdkWindowPointer window, GdkRectangle area, GtkWidgetPointer widget, gint x, gint y, gint width, gint height, GtkPlus gtkPlus)
{
gtk_paint_box (
gtkPlus.tool_bar_button_style,
window,
(GtkStateType)state,
state == GtkPlusState.Pressed ? GtkShadowType.GTK_SHADOW_IN : GtkShadowType.GTK_SHADOW_OUT,
ref area,
gtkPlus.tool_bar_button,
"button",
x, y, width, height);
}
}
class ToolBarCheckedButtonPainter : Painter
{
public override void AttachStyle (WidgetType widgetType, IntPtr drawable, GtkPlus gtkPlus)
{
gtkPlus.tool_bar_toggle_button_style = gtk_style_attach (gtkPlus.tool_bar_toggle_button_style, drawable);
}
public override void Paint (GtkStylePointer style, GdkWindowPointer window, GdkRectangle area, GtkWidgetPointer widget, gint x, gint y, gint width, gint height, GtkPlus gtkPlus)
{
gtk_paint_box (
gtkPlus.tool_bar_toggle_button_style,
window,
GtkStateType.GTK_STATE_ACTIVE,
GtkShadowType.GTK_SHADOW_IN,
ref area,
gtkPlus.tool_bar_toggle_button,
"button",
x, y, width, height);
}
}
#endregion
#region TrackBar
class TrackBarTrackPainter : Painter
{
public override void Paint (IntPtr style, IntPtr window, GdkRectangle area, IntPtr widget, int x, int y, int width, int height, GtkPlus gtkPlus)
{
gtk_paint_box (
style,
window,
GtkStateType.GTK_STATE_ACTIVE,
GtkShadowType.GTK_SHADOW_IN,
ref area,
widget,
"trough",
x, y, width, height);
}
}
class TrackBarThumbPainter : RangeThumbButtonPainter
{
protected override string Detail {
get {
return Horizontal ? "hscale" : "vscale";
}
}
}
#endregion
#region TreeView
class TreeViewGlyphPainter : Painter
{
bool closed;
public void Configure (bool closed)
{
this.closed = closed;
}
public override void Paint (IntPtr style, IntPtr window, GdkRectangle area, IntPtr widget, int x, int y, int width, int height, GtkPlus gtkPlus)
{
gtk_paint_expander (
style,
window,
GtkStateType.GTK_STATE_NORMAL,
ref area,
widget,
"treeview",
x + width / 2,
y + height / 2,
closed ? GtkExpanderStyle.GTK_EXPANDER_COLLAPSED : GtkExpanderStyle.GTK_EXPANDER_EXPANDED);
}
}
#endregion
#region UpDown
class UpDownPainter : Painter
{
bool up;
GtkPlusState state;
public void Configure (bool up, GtkPlusState state)
{
this.up = up;
this.state = state;
}
public override void Paint (IntPtr style, IntPtr window, GdkRectangle area, IntPtr widget, int x, int y, int width, int height, GtkPlus gtkPlus)
{
GtkShadowType shadow_type = GetWidgetStyleShadowType (widget);
if (shadow_type != GtkShadowType.GTK_SHADOW_NONE)
gtk_paint_box (
style,
window,
GtkStateType.GTK_STATE_NORMAL,
shadow_type,
ref area,
widget,
"spinbutton",
x, y - (up ? 0 : height), width, height * 2);
shadow_type = state == GtkPlusState.Pressed ? GtkShadowType.GTK_SHADOW_IN : GtkShadowType.GTK_SHADOW_OUT;
gtk_paint_box (
style,
window,
(GtkStateType)state,
shadow_type,
ref area,
widget,
up ? "spinbutton_up" : "spinbutton_down",
x, y, width, height);
if (up)
y += 2;
height -= 2;
width -= 3;
x += 1;
int w = width / 2;
w -= w % 2 - 1;
int h = (w + 1) / 2;
x += (width - w) / 2;
y += (height - h) / 2;
height = h;
width = w;
gtk_paint_arrow (
style,
window,
(GtkStateType)state,
shadow_type,
ref area,
widget,
"spinbutton",
up ? GtkArrowType.GTK_ARROW_UP : GtkArrowType.GTK_ARROW_DOWN,
true,
x, y, width, height);
}
}
#endregion
#endregion
#region Widget types
const WidgetType WidgetTypeNotNeeded = (WidgetType)0;
enum WidgetType
{
Button,
CheckBox,
#if NET_2_0
ComboBox,
#endif
GroupBox,
ProgressBar,
RadioButton,
#region ScrollBar
HScrollBar,
VScrollBar,
#endregion
StatusBar,
TabControl,
TextBox,
ToolBar,
#region TrackBar
HorizontalTrackBar,
VerticalTrackBar,
#endregion
TreeView,
UpDown,
}
#endregion
#region GTK+ utility methods
static GtkShadowType GetWidgetStyleShadowType (GtkWidgetPointer widget)
{
GtkShadowType result;
gtk_widget_style_get (widget, "shadow-type", out result, IntPtr.Zero);
return result;
}
static int GetWidgetStyleInteger (GtkWidgetPointer widget, string propertyName)
{
gint result;
gtk_widget_style_get (widget, propertyName, out result, IntPtr.Zero);
return result;
}
#if NET_2_0
static float GetWidgetStyleSingle (GtkWidgetPointer widget, string propertyName)
{
gfloat result;
gtk_widget_style_get (widget, propertyName, out result, IntPtr.Zero);
return result;
}
#endif
static bool GetWidgetStyleBoolean (GtkWidgetPointer widget, string propertyName)
{
gboolean result;
gtk_widget_style_get (widget, propertyName, out result, IntPtr.Zero);
return result;
}
#region GetFirstChildWidgetOfType
#if NET_2_0
static class GetFirstChildWidgetOfType
{
public static GtkWidgetPointer Get (GtkContainerPointer parent, GType childType)
{
Type = childType;
Result = GtkWidgetPointer.Zero;
ContainersToSearch = new ArrayList ();
ContainersToSearch.Add (parent);
while (true) {
ArrayList containers_to_search = ContainersToSearch;
ContainersToSearch = new ArrayList ();
foreach (GtkContainerPointer container in containers_to_search) {
gtk_widget_realize (container);
gtk_container_forall (container, Callback, gpointer.Zero);
if (Result != GtkWidgetPointer.Zero)
return Result;
}
if (ContainersToSearch.Count == 0)
return GtkWidgetPointer.Zero;
}
}
static void Callback (GtkWidgetPointer widget, gpointer data)
{
if (Result != IntPtr.Zero)
return;
if (g_type_check_instance_is_a (widget, Type))
Result = widget;
else if (g_type_check_instance_is_a (widget, gtk_container_get_type ()))
ContainersToSearch.Add (widget);
}
static GType Type;
static GtkWidgetPointer Result;
static ArrayList ContainersToSearch;
}
#endif
#endregion
static GtkStylePointer GetWidgetStyle (GtkWidgetPointer widget)
{
return gtk_rc_get_style (widget);
}
#endregion
#region Platform Invoke
#region Library names
#if VISUAL_STYLES_USE_GTKPLUS_ON_WINDOWS
const string GobjectLibraryName = "libgobject-2.0-0.dll";
const string GdkLibraryName = "libgdk-win32-2.0-0.dll";
const string GdkPixbufLibraryName = "libgdk_pixbuf-2.0-0.dll";
const string GtkLibraryName = "libgtk-win32-2.0-0.dll";
#else
const string GobjectLibraryName = "libgobject-2.0.so";
const string GdkLibraryName = "libgdk-x11-2.0.so";
const string GdkPixbufLibraryName = "libgdk_pixbuf-2.0.so";
const string GtkLibraryName = "libgtk-x11-2.0.so";
#endif
#endregion
#region GDK
[DllImport (GdkLibraryName)]
static extern void gdk_draw_rectangle (GdkDrawablePointer drawable, GdkGCPointer gc, gboolean filled, gint x, gint y, gint width, gint height);
[DllImport (GdkLibraryName)]
static extern GdkGCPointer gdk_gc_new (GdkDrawablePointer drawable);
[DllImport (GdkLibraryName)]
static extern void gdk_gc_set_rgb_fg_color (GdkGCPointer gc, ref GdkColor color);
[DllImport (GdkLibraryName)]
static extern GdkPixbufPointer gdk_pixbuf_get_from_drawable (GdkPixbufPointer dest, GdkDrawablePointer src, GdkColormapPointer cmap, int src_x, int src_y, int dest_x, int dest_y, int width, int height);
[DllImport (GdkLibraryName)]
static extern GdkPixmapPointer gdk_pixmap_new (GdkDrawablePointer drawable, gint width, gint height, gint depth);
struct GdkColor{
public guint32 pixel;
public guint16 red;
public guint16 green;
public guint16 blue;
public GdkColor (Color value)
{
pixel = 0;
red = (guint16)(value.R << 8);
green = (guint16)(value.G << 8);
blue = (guint16)(value.B << 8);
}
}
internal struct GdkRectangle {
public gint x;
public gint y;
public gint width;
public gint height;
public GdkRectangle (Rectangle value)
{
x = value.X;
y = value.Y;
width = value.Width;
height = value.Height;
}
}
#endregion
#region GdkPixbuf
[DllImport (GdkPixbufLibraryName)]
static extern IntPtr gdk_pixbuf_get_pixels (GdkPixbufPointer pixbuf);
[DllImport (GdkPixbufLibraryName)]
static extern int gdk_pixbuf_get_rowstride (GdkPixbufPointer pixbuf);
[DllImport (GdkPixbufLibraryName)]
static extern GdkPixbufPointer gdk_pixbuf_new (GdkColorspace colorspace, gboolean has_alpha, int bits_per_sample, int width, int height);
enum GdkColorspace
{
GDK_COLORSPACE_RGB
}
#endregion
#region GTK
#region Functions
[DllImport (GtkLibraryName)]
static extern gboolean gtk_init_check (ref int argc, ref string[] argv);
[DllImport (GtkLibraryName)]
static extern IntPtr gtk_check_version (guint required_major, guint required_minor, guint required_micro);
[DllImport (GtkLibraryName)]
static extern void gtk_container_add (GtkContainerPointer container, GtkWidgetPointer widget);
#if NET_2_0
[DllImport (GtkLibraryName)]
static extern void gtk_container_forall (GtkContainerPointer container, GtkCallback callback, gpointer callback_data);
[UnmanagedFunctionPointer (CallingConvention.Cdecl)]
delegate void GtkCallback (GtkWidgetPointer widget, gpointer data);
#endif
[DllImport (GtkLibraryName)]
static extern void gtk_object_destroy (GtkObjectPointer @object);
[DllImport (GtkLibraryName)]
static extern GtkStylePointer gtk_rc_get_style (GtkWidgetPointer widget);
[DllImport (GtkLibraryName)]
static extern GtkStylePointer gtk_style_attach (GtkStylePointer style, GdkWindowPointer window);
#if NET_2_0
[DllImport (GtkLibraryName)]
static extern void gtk_widget_realize (GtkWidgetPointer widget);
#endif
[DllImport (GtkLibraryName)]
static extern void gtk_widget_style_get (GtkWidgetPointer widget, string property, out gint value, IntPtr nullTerminator);
#if NET_2_0
[DllImport (GtkLibraryName)]
static extern void gtk_widget_style_get (GtkWidgetPointer widget, string property, out gfloat value, IntPtr nullTerminator);
#endif
[DllImport (GtkLibraryName)]
static extern void gtk_widget_style_get (GtkWidgetPointer widget, string property1, out gint value1, string property2, out gint value2, IntPtr nullTerminator);
[DllImport (GtkLibraryName)]
static extern void gtk_widget_style_get (GtkWidgetPointer widget, string property, out GtkShadowType value, IntPtr nullTerminator);
[DllImport (GtkLibraryName)]
static extern void gtk_widget_style_get (GtkWidgetPointer widget, string property, out gboolean value, IntPtr nullTerminator);
[DllImport (GtkLibraryName)]
static extern GtkWidgetPointer gtk_window_new (GtkWindowType type);
[DllImport (GtkLibraryName)]
static extern void gtk_window_set_default (GtkWindowPointer window, GtkWidgetPointer default_widget);
[DllImport (GtkLibraryName)]
static extern GtkObjectPointer gtk_adjustment_new (gdouble value, gdouble lower, gdouble upper, gdouble step_increment, gdouble page_increment, gdouble page_size);
[DllImport (GtkLibraryName)]
static extern GtkStylePointer gtk_widget_get_style (GtkWidgetPointer widget);
[DllImport (GtkLibraryName)]
static extern GtkTreeViewColumnPointer gtk_tree_view_column_new ();
[DllImport (GtkLibraryName)]
static extern gint gtk_tree_view_insert_column (
GtkTreeViewPointer tree_view,
GtkTreeViewColumnPointer column,
gint position);
[DllImport (GtkLibraryName)]
static extern void gtk_toolbar_insert (
GtkToolbarPointer toolbar,
GtkToolItemPointer item,
gint pos);
[DllImport (GtkLibraryName)]
static extern GtkWidgetPointer gtk_bin_get_child (GtkBinPointer bin);
#region Widget type
#if NET_2_0
[DllImport (GtkLibraryName)]
static extern GType gtk_arrow_get_type ();
[DllImport (GtkLibraryName)]
static extern GType gtk_container_get_type ();
[DllImport (GtkLibraryName)]
static extern GType gtk_toggle_button_get_type ();
#endif
#endregion
#region Widget creation
[DllImport (GtkLibraryName)]
static extern GtkWidgetPointer gtk_button_new ();
[DllImport (GtkLibraryName)]
static extern GtkWidgetPointer gtk_check_button_new ();
#if NET_2_0
[DllImport (GtkLibraryName)]
static extern GtkWidgetPointer gtk_combo_box_entry_new ();
#endif
[DllImport (GtkLibraryName)]
static extern GtkWidgetPointer gtk_entry_new ();
[DllImport (GtkLibraryName)]
static extern GtkWidgetPointer gtk_fixed_new ();
[DllImport (GtkLibraryName)]
static extern GtkWidgetPointer gtk_frame_new (string label);
[DllImport (GtkLibraryName)]
static extern GtkWidgetPointer gtk_hscale_new_with_range (gdouble min, gdouble max, gdouble step);
[DllImport (GtkLibraryName)]
static extern GtkWidgetPointer gtk_hscrollbar_new (GtkAdjustmentPointer adjustment);
[DllImport (GtkLibraryName)]
static extern GtkWidgetPointer gtk_notebook_new ();
[DllImport (GtkLibraryName)]
static extern GtkWidgetPointer gtk_progress_bar_new ();
[DllImport (GtkLibraryName)]
static extern GtkWidgetPointer gtk_radio_button_new (GSListPointer group);
[DllImport (GtkLibraryName)]
static extern GtkWidgetPointer gtk_spin_button_new (GtkAdjustmentPointer adjustment, gdouble climb_rate, guint digits);
[DllImport (GtkLibraryName)]
static extern GtkWidgetPointer gtk_statusbar_new ();
[DllImport (GtkLibraryName)]
static extern GtkToolItemPointer gtk_toggle_tool_button_new ();
[DllImport (GtkLibraryName)]
static extern GtkWidgetPointer gtk_toolbar_new ();
[DllImport (GtkLibraryName)]
static extern GtkToolItemPointer gtk_tool_button_new (
GtkWidgetPointer icon_widget,
string label);
[DllImport (GtkLibraryName)]
static extern GtkWidgetPointer gtk_tree_view_new ();
[DllImport (GtkLibraryName)]
static extern GtkWidgetPointer gtk_vscale_new_with_range (gdouble min, gdouble max, gdouble step);
[DllImport (GtkLibraryName)]
static extern GtkWidgetPointer gtk_vscrollbar_new (GtkAdjustmentPointer adjustment);
#endregion
#region Painting
[DllImport (GtkLibraryName)]
static extern void gtk_paint_arrow (GtkStylePointer style, GdkWindowPointer window, GtkStateType state_type, GtkShadowType shadow_type, ref GdkRectangle area, GtkWidgetPointer widget, string detail, GtkArrowType arrow_type, gboolean fill, gint x, gint y, gint width, gint height);
[DllImport (GtkLibraryName)]
static extern void gtk_paint_box (GtkStylePointer style, GdkWindowPointer window, GtkStateType state_type, GtkShadowType shadow_type, ref GdkRectangle area, GtkWidgetPointer widget, string detail, gint x, gint y, gint width, gint height);
[DllImport (GtkLibraryName)]
static extern void gtk_paint_box_gap (
GtkStylePointer style,
GdkWindowPointer window,
GtkStateType state_type,
GtkShadowType shadow_type,
ref GdkRectangle area,
GtkWidgetPointer widget,
string detail,
gint x,
gint y,
gint width,
gint height,
GtkPositionType gap_side,
gint gap_x,
gint gap_width);
[DllImport (GtkLibraryName)]
static extern void gtk_paint_check (GtkStylePointer style, GdkWindowPointer window, GtkStateType state_type, GtkShadowType shadow_type, ref GdkRectangle area, GtkWidgetPointer widget, string detail, gint x, gint y, gint width, gint height);
[DllImport (GtkLibraryName)]
static extern void gtk_paint_expander (
GtkStylePointer style,
GdkWindowPointer window,
GtkStateType state_type,
ref GdkRectangle area,
GtkWidgetPointer widget,
string detail,
gint x,
gint y,
GtkExpanderStyle expander_style);
[DllImport (GtkLibraryName)]
static extern void gtk_paint_extension (
GtkStylePointer style,
GdkWindowPointer window,
GtkStateType state_type,
GtkShadowType shadow_type,
ref GdkRectangle area,
GtkWidgetPointer widget,
string detail,
gint x,
gint y,
gint width,
gint height,
GtkPositionType gap_side);
[DllImport (GtkLibraryName)]
static extern void gtk_paint_flat_box (
GtkStylePointer style,
GdkWindowPointer window,
GtkStateType state_type,
GtkShadowType shadow_type,
ref GdkRectangle area,
GtkWidgetPointer widget,
string detail,
gint x,
gint y,
gint width,
gint height);
[DllImport (GtkLibraryName)]
static extern void gtk_paint_option (GtkStylePointer style, GdkWindowPointer window, GtkStateType state_type, GtkShadowType shadow_type, ref GdkRectangle area, GtkWidgetPointer widget, string detail, gint x, gint y, gint width, gint height);
[DllImport (GtkLibraryName)]
static extern void gtk_paint_resize_grip (
GtkStylePointer style,
GdkWindowPointer window,
GtkStateType state_type,
ref GdkRectangle area,
GtkWidgetPointer widget,
string detail,
GdkWindowEdge edge,
gint x,
gint y,
gint width,
gint height);
[DllImport (GtkLibraryName)]
static extern void gtk_paint_shadow (GtkStylePointer style, GdkWindowPointer window, GtkStateType state_type, GtkShadowType shadow_type, ref GdkRectangle area, GtkWidgetPointer widget, string detail, gint x, gint y, gint width, gint height);
[DllImport (GtkLibraryName)]
static extern void gtk_paint_slider (
GtkStylePointer style,
GdkWindowPointer window,
GtkStateType state_type,
GtkShadowType shadow_type,
ref GdkRectangle area,
GtkWidgetPointer widget,
string detail,
gint x,
gint y,
gint width,
gint height,
GtkOrientation orientation);
#endregion
#endregion
#region Enumerations
internal enum GtkShadowType
{
GTK_SHADOW_NONE,
GTK_SHADOW_IN,
GTK_SHADOW_OUT,
GTK_SHADOW_ETCHED_IN,
GTK_SHADOW_ETCHED_OUT
}
enum GtkStateType
{
GTK_STATE_NORMAL,
GTK_STATE_ACTIVE,
GTK_STATE_PRELIGHT,
GTK_STATE_SELECTED,
GTK_STATE_INSENSITIVE
}
enum GtkWindowType
{
GTK_WINDOW_TOPLEVEL,
GTK_WINDOW_POPUP
}
enum GtkArrowType
{
GTK_ARROW_UP,
GTK_ARROW_DOWN,
GTK_ARROW_LEFT,
GTK_ARROW_RIGHT,
GTK_ARROW_NONE
}
enum GtkOrientation
{
GTK_ORIENTATION_HORIZONTAL,
GTK_ORIENTATION_VERTICAL
}
enum GtkExpanderStyle
{
GTK_EXPANDER_COLLAPSED,
GTK_EXPANDER_SEMI_COLLAPSED,
GTK_EXPANDER_SEMI_EXPANDED,
GTK_EXPANDER_EXPANDED
}
enum GtkPositionType
{
GTK_POS_LEFT,
GTK_POS_RIGHT,
GTK_POS_TOP,
GTK_POS_BOTTOM
}
enum GtkWidgetFlags : uint
{
GTK_CAN_DEFAULT = 1 << 13,
}
enum GdkWindowEdge
{
GDK_WINDOW_EDGE_NORTH_WEST,
GDK_WINDOW_EDGE_NORTH,
GDK_WINDOW_EDGE_NORTH_EAST,
GDK_WINDOW_EDGE_WEST,
GDK_WINDOW_EDGE_EAST,
GDK_WINDOW_EDGE_SOUTH_WEST,
GDK_WINDOW_EDGE_SOUTH,
GDK_WINDOW_EDGE_SOUTH_EAST
}
#endregion
#region Structures
struct GtkStyle
{
#pragma warning disable 169
GObject parent_instance;
[MarshalAs(UnmanagedType.ByValArray, SizeConst=5)]
GdkColor[] fg;
[MarshalAs(UnmanagedType.ByValArray, SizeConst=5)]
GdkColor[] bg;
[MarshalAs(UnmanagedType.ByValArray, SizeConst=5)]
GdkColor[] light;
[MarshalAs(UnmanagedType.ByValArray, SizeConst=5)]
GdkColor[] dark;
[MarshalAs(UnmanagedType.ByValArray, SizeConst=5)]
GdkColor[] mid;
[MarshalAs(UnmanagedType.ByValArray, SizeConst=5)]
GdkColor[] text;
[MarshalAs(UnmanagedType.ByValArray, SizeConst=5)]
GdkColor[] @base;
[MarshalAs(UnmanagedType.ByValArray, SizeConst=5)]
GdkColor[] text_aa;
GdkColor black;
GdkColor white;
PangoFontDescriptionPointer font_desc;
#pragma warning restore 169
public gint xthickness;
public gint ythickness;
}
struct GtkWidget
{
#pragma warning disable 169
GtkObject @object;
guint16 private_flags;
guint8 state;
guint8 saved_state;
string name;
GtkStylePointer style;
GtkRequisition requisition;
#pragma warning restore 169
public GtkAllocation allocation;
#pragma warning disable 169
GdkWindowPointer window;
GtkWidgetPointer parent;
#pragma warning restore 169
}
struct GtkObject
{
#pragma warning disable 169
GInitiallyUnowned parent_instance;
#pragma warning restore 169
public guint32 flags;
}
struct GtkRequisition
{
#pragma warning disable 169
gint width;
gint height;
#pragma warning restore 169
}
struct GtkMisc
{
#pragma warning disable 169
GtkWidget widget;
#pragma warning restore 169
public gfloat xalign;
public gfloat yalign;
public guint16 xpad;
public guint16 ypad;
}
struct GtkTreeViewColumn
{
#pragma warning disable 169
GtkObject parent;
GtkWidgetPointer tree_view;
#pragma warning restore 169
public GtkWidgetPointer button;
}
#endregion
#region Macros
static void GTK_WIDGET_SET_FLAGS (GtkWidgetPointer wid, GtkWidgetFlags flag)
{
GtkObject @object = (GtkObject)Marshal.PtrToStructure (wid, typeof (GtkObject));
@object.flags |= (guint32)flag;
Marshal.StructureToPtr (@object, wid, false);
}
#endregion
#endregion
#region GObject
[DllImport (GobjectLibraryName)]
static extern gpointer g_object_ref (gpointer @object);
[DllImport (GobjectLibraryName)]
static extern void g_object_unref (gpointer @object);
#if NET_2_0
[DllImport (GobjectLibraryName)]
static extern gboolean g_type_check_instance_is_a (GTypeInstancePointer type_instance, GType iface_type);
#endif
[DllImport (GobjectLibraryName)]
static extern void g_object_get (gpointer @object, string property_name, out gboolean value, IntPtr nullTerminator);
const int G_TYPE_FUNDAMENTAL_SHIFT = 2;
enum G_TYPE
{
}
struct GTypeInstance
{
#pragma warning disable 169
GTypeClassPointer g_class;
#pragma warning restore 169
}
internal struct GObject
{
#pragma warning disable 169
GTypeInstance g_type_instance;
guint ref_count;
GDataPointer qdata;
#pragma warning restore 169
}
#endregion
#endregion
}
#region Exposed constants
enum GtkPlusToggleButtonValue
{
Unchecked = GtkPlus.GtkShadowType.GTK_SHADOW_OUT,
Mixed = GtkPlus.GtkShadowType.GTK_SHADOW_ETCHED_IN,
Checked = GtkPlus.GtkShadowType.GTK_SHADOW_IN
}
enum GtkPlusState
{
Normal,
Pressed,
Hot,
Selected,
Disabled
}
#endregion
}
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