----------------------------------------------------------------------- -- 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. -- -- -- -- As a special exception, if other files instantiate generics from -- -- this unit, or you link this unit with other files to produce an -- -- executable, this unit does not by itself cause the resulting -- -- executable to be covered by the GNU General Public License. This -- -- exception does not however invalidate any other reasons why the -- -- executable file might be covered by the GNU Public License. -- ----------------------------------------------------------------------- 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 : Gtk_Paned := Gtk_Paned (Get_Parent (Child)); Is_Child1 : 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 : Gtk_Paned := Gtk_Paned (Get_Parent (Child)); Is_Child1 : 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;