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-----------------------------------------------------------------------
-- GtkAda - Ada95 binding for the Gimp Toolkit --
-- --
-- Copyright (C) 1998-1999 --
-- Emmanuel Briot, Joel Brobecker and Arnaud Charlet --
-- --
-- This library is free software; you can redistribute it and/or --
-- modify it under the terms of the GNU 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 --
-- General Public License for more details. --
-- --
-- You should have received a copy of the GNU 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. --
-- --
-----------------------------------------------------------------------
with Gtk.Box; use Gtk.Box;
with Gtk.Button; use Gtk.Button;
with Gtk.Check_Button; use Gtk.Check_Button;
with Gtk.Enums; use Gtk.Enums;
with Gtk.Frame; use Gtk.Frame;
with Gtk.Label; use Gtk.Label;
with Gtk.Paned; use Gtk.Paned;
with Gtk.Table; use Gtk.Table;
with Gtk.Widget; use Gtk.Widget;
with Gtk; use Gtk;
with Common; use Common;
package body Create_Paned is
----------
-- Help --
----------
function Help return String is
begin
return "A @bGtk_Paned@B splits a container in two parts, that can be"
& " resized by the user." & ASCII.LF
& "They have two children, one for each side."
& ASCII.LF
& "If @bShrink@B is set to True for one of the children, then the user"
& " can resize it to any size. If it is set to False, then the"
& " minimum size set for the child by a call to @bSet_Usize@B is"
& " enforced, and the child can never be shrinked more than that."
& ASCII.LF
& "If @bResize@B is set to True for one of the children only, then"
& " that child gets the exact size it requested, the other gets the"
& " remaining space. In the example, the two buttons have required"
& " the same size, and you can see the effect of the resize buttons"
& " by clicking on them."
& ASCII.LF
& "If both children have the same value for resize, their allocated"
& " size is a ratio between their respective sizes."
& ASCII.LF
& "Note that moving the handle to manually resize the widgets"
& " cancels the effect of the resize buttons, so you should click on"
& " them before playing with the handles...";
end Help;
-------------------
-- Toggle_Resize --
-------------------
procedure Toggle_Resize (Child : access Gtk_Widget_Record'Class) is
Paned : constant Gtk_Paned := Gtk_Paned (Get_Parent (Child));
Is_Child1 : constant Boolean := Gtk_Widget (Child) = Get_Child1 (Paned);
Resize : Boolean;
Shrink : Boolean;
begin
if Is_Child1 then
Resize := Get_Child1_Resize (Paned);
Shrink := Get_Child1_Shrink (Paned);
else
Resize := Get_Child2_Resize (Paned);
Shrink := Get_Child2_Shrink (Paned);
end if;
Ref (Child);
-- Since we are going to remove it, we do not want
-- to delete it.
Remove (Paned, Child);
if Is_Child1 then
Pack1 (Paned, Child, not Resize, Shrink);
else
Pack2 (Paned, Child, not Resize, Shrink);
end if;
Unref (Child);
end Toggle_Resize;
-------------------
-- Toggle_Shrink --
-------------------
procedure Toggle_Shrink (Child : access Gtk_Widget_Record'Class) is
Paned : constant Gtk_Paned := Gtk_Paned (Get_Parent (Child));
Is_Child1 : constant Boolean := Gtk_Widget (Child) = Get_Child1 (Paned);
Resize : Boolean;
Shrink : Boolean;
begin
if Is_Child1 then
Resize := Get_Child1_Resize (Paned);
Shrink := Get_Child1_Shrink (Paned);
else
Resize := Get_Child2_Resize (Paned);
Shrink := Get_Child2_Shrink (Paned);
end if;
Ref (Child);
-- Since we are going to remove it, we do not want
-- to delete it.
Remove (Paned, Child);
if Is_Child1 then
Pack1 (Paned, Child, Resize, not Shrink);
else
Pack2 (Paned, Child, Resize, not Shrink);
end if;
Unref (Child);
end Toggle_Shrink;
-------------------------
-- Create_Pane_Options --
-------------------------
function Create_Pane_Options (Paned : access Gtk_Paned_Record'Class;
Frame_Label : String;
Label1 : String;
Label2 : String)
return Gtk_Frame
is
Frame : Gtk_Frame;
Table : Gtk_Table;
Label : Gtk_Label;
Check : Gtk_Check_Button;
begin
Gtk_New (Frame, Frame_Label);
Set_Border_Width (Frame, 4);
Gtk_New (Table, 3, 2, False);
Add (Frame, Table);
Gtk_New (Label, Label1);
Attach_Defaults (Table, Label, 0, 1, 0, 1);
Gtk_New (Check, "Resize");
Attach_Defaults (Table, Check, 0, 1, 1, 2);
Set_Active (Check, Get_Child1_Resize (Paned));
Widget_Handler.Object_Connect
(Check, "toggled",
Widget_Handler.To_Marshaller (Toggle_Resize'Access),
Slot_Object => Get_Child1 (Paned));
Gtk_New (Check, "Shrink");
Attach_Defaults (Table, Check, 0, 1, 2, 3);
Set_Active (Check, Get_Child1_Shrink (Paned));
Widget_Handler.Object_Connect
(Check, "toggled",
Widget_Handler.To_Marshaller (Toggle_Shrink'Access),
Slot_Object => Get_Child1 (Paned));
Gtk_New (Label, Label2);
Attach_Defaults (Table, Label, 1, 2, 0, 1);
Gtk_New (Check, "Resize");
Attach_Defaults (Table, Check, 1, 2, 1, 2);
Set_Active (Check, Get_Child2_Resize (Paned));
Widget_Handler.Object_Connect
(Check, "toggled",
Widget_Handler.To_Marshaller (Toggle_Resize'Access),
Slot_Object => Get_Child2 (Paned));
Gtk_New (Check, "Shrink");
Attach_Defaults (Table, Check, 1, 2, 2, 3);
Set_Active (Check, Get_Child2_Shrink (Paned));
Widget_Handler.Object_Connect
(Check, "toggled",
Widget_Handler.To_Marshaller (Toggle_Shrink'Access),
Slot_Object => Get_Child2 (Paned));
return Frame;
end Create_Pane_Options;
---------
-- Run --
---------
procedure Run (Frame : access Gtk.Frame.Gtk_Frame_Record'Class) is
VPaned : Gtk_Paned;
HPaned : Gtk_Paned;
Frame2 : Gtk_Frame;
Button : Gtk_Button;
Vbox : Gtk_Box;
begin
Set_Label (Frame, "Panes");
Gtk_New_Vbox (Vbox, False, 0);
Add (Frame, Vbox);
Gtk_New_Vpaned (VPaned);
Pack_Start (Vbox, VPaned, True, True, 0);
Set_Border_Width (VPaned, 5);
Gtk_New_Hpaned (HPaned);
Add1 (VPaned, HPaned);
Gtk_New (Frame2);
Gtk_New (Button, "Hi There");
Add (Frame2, Button);
Set_Shadow_Type (Frame2, Shadow_In);
Set_USize (Frame2, 60, 60);
Pack1 (HPaned, Frame2, False, False);
Gtk_New (Frame2);
Gtk_New (Button, "erehT iH");
Add (Frame2, Button);
Set_Shadow_Type (Frame2, Shadow_In);
Set_USize (Frame2, 80, 60);
Add2 (HPaned, Frame2);
Gtk_New (Frame2);
Set_Shadow_Type (Frame2, Shadow_In);
Set_USize (Frame2, 60, 280);
Add2 (VPaned, Frame2);
Pack_Start (Vbox,
Create_Pane_Options (HPaned, "Horizontal",
"Left", "Right"),
False, False, 0);
Pack_Start (Vbox,
Create_Pane_Options (VPaned, "Vertical",
"Top", "Bottom"),
False, False, 0);
Show_All (Frame);
end Run;
end Create_Paned;
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