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(*
GTK-Kylix Library: GTKDialogs - Special purpose dialogs
Copyright (C) 2006 Tomas Bzatek <tbzatek@users.sourceforge.net>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307 USA.
*)
unit GTKDialogs;
interface
uses lazglib2, lazgobject2, lazgdk3, lazgtk3, Classes, GTKControls, GTKStdCtrls, GTKForms;
type
(****************************************** TGTKFILECHOOSERDIALOG *************************************************************)
TGTKFileChooserDialog = class(TGTKDialog)
private
function GetFileName: string;
procedure SetFileName(Value: string);
protected
public
constructor Create(AOwner: TComponent); override;
constructor CreateWithTitle(AOwner: TComponent; const Title: string);
destructor Destroy; override;
published
property FileName: string read GetFileName write SetFileName;
end;
(****************************************** TGTKCOLORBUTTON *******************************************************************)
TGTKColorButton = class(TGTKButton)
private
FColorChanged: TNotifyEvent;
function GetColor: string;
procedure SetColor(Value: string);
protected
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
procedure SetDefaultColor;
published
property Color: string read GetColor write SetColor;
property OnColorChanged: TNotifyEvent read FColorChanged write FColorChanged;
end;
(****************************************** TGTKFontButton *************************************************************)
TGTKFontButton = class(TGTKButton)
private
FFontNameChanged: TNotifyEvent;
function GetFontName: string;
procedure SetFontName(Value: string);
protected
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
published
property FontName: string read GetFontName write SetFontName;
property OnFontNameChanged: TNotifyEvent read FFontNameChanged write FFontNameChanged;
end;
(********************************************************************************************************************************)
(********************************************************************************************************************************)
implementation
uses SysUtils, DateUtils;
(********************************************************************************************************************************)
(********************************************************************************************************************************)
constructor TGTKFileChooserDialog.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
FWidget := gtk_file_chooser_dialog_new(nil, PGtkWindow((AOwner as TCustomGTKForm).FWidget), GTK_FILE_CHOOSER_ACTION_OPEN, nil, [nil]);
Show;
end;
constructor TGTKFileChooserDialog.CreateWithTitle(AOwner: TComponent; const Title: string);
begin
inherited Create(AOwner);
FWidget := gtk_file_chooser_dialog_new(PChar(Title), PGtkWindow((AOwner as TCustomGTKForm).FWidget), GTK_FILE_CHOOSER_ACTION_OPEN, nil, [nil]);
Show;
end;
destructor TGTKFileChooserDialog.Destroy;
begin
inherited Destroy;
end;
function TGTKFileChooserDialog.GetFileName: string;
begin
Result := String(gtk_file_chooser_get_filename(PGtkFileChooser(FWidget)));
end;
procedure TGTKFileChooserDialog.SetFileName(Value: string);
begin
gtk_file_chooser_set_filename(PGtkFileChooser(FWidget), PChar(Value));
end;
(********************************************************************************************************************************)
(********************************************************************************************************************************)
procedure GtkColorButton_color_set(widget: PGtkColorButton; user_data: gpointer); cdecl;
begin
if Assigned(user_data) and Assigned(TGTKColorButton(user_data).FColorChanged) then
TGTKColorButton(user_data).FColorChanged(TGTKColorButton(user_data));
end;
constructor TGTKColorButton.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
FWidget := gtk_color_button_new();
g_signal_connect_data(PGObject(FWidget), 'color-set', TGCallback(@GtkColorButton_color_set), Self, nil, G_CONNECT_DEFAULT);
Show;
FColorChanged := nil;
end;
destructor TGTKColorButton.Destroy;
begin
inherited Destroy;
end;
function TGTKColorButton.GetColor: string;
var c: TGdkRGBA;
begin
Initialize(c);
gtk_color_chooser_get_rgba(PGtkColorChooser(FWidget), @c);
Result := string(gdk_rgba_to_string(@c));
end;
procedure TGTKColorButton.SetColor(Value: string);
var c: TGdkRGBA;
begin
if gdk_rgba_parse(@c, PChar(Value)) then
gtk_color_chooser_set_rgba(PGtkColorChooser(FWidget), @c);
end;
procedure TGTKColorButton.SetDefaultColor;
begin
// No way to reset the widget to an empty state, just set grey
SetColor('#EEEEEE');
end;
(********************************************************************************************************************************)
(********************************************************************************************************************************)
procedure GtkFontButton_font_set(widget: PGtkFontButton; user_data: gpointer); cdecl;
begin
if Assigned(user_data) and Assigned(TGTKFontButton(user_data).FFontNameChanged) then
TGTKFontButton(user_data).FFontNameChanged(TGTKFontButton(user_data));
end;
constructor TGTKFontButton.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
FWidget := gtk_font_button_new();
g_signal_connect_data(PGObject(FWidget), 'font-set', TGCallback(@GtkFontButton_font_set), Self, nil, G_CONNECT_DEFAULT);
Show;
FFontNameChanged := nil;
end;
destructor TGTKFontButton.Destroy;
begin
inherited Destroy;
end;
function TGTKFontButton.GetFontName: string;
begin
Result := String(gtk_font_chooser_get_font(PGtkFontChooser(FWidget)));
end;
procedure TGTKFontButton.SetFontName(Value: string);
begin
gtk_font_chooser_set_font(PGtkFontChooser(FWidget), PChar(Value));
end;
(********************************************************************************************************************************)
end.
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