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|
-----------------------------------------------------------------------
-- GtkAda - Ada95 binding for the Gimp Toolkit --
-- --
-- Copyright (C) 1998-2000 E. Briot, J. Brobecker and A. Charlet --
-- Copyright (C) 2000-2006 AdaCore --
-- --
-- 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 Glib; use Glib;
with Gtk.Adjustment; use Gtk.Adjustment;
with Gtk.Alignment; use Gtk.Alignment;
with Gtk.Box; use Gtk.Box;
with Gtk.Check_Button; use Gtk.Check_Button;
with Gtk.Enums; use Gtk.Enums;
with Gtk.GEntry; use Gtk.GEntry;
with Gtk.Label; use Gtk.Label;
with Glib.Main; use Glib.Main;
with Gtk.Option_Menu; use Gtk.Option_Menu;
with Gtk.Progress_Bar; use Gtk.Progress_Bar;
with Gtk.Radio_Menu_Item; use Gtk.Radio_Menu_Item;
with Gtk.Spin_Button; use Gtk.Spin_Button;
with Gtk.Table; use Gtk.Table;
with Gtk.Widget; use Gtk.Widget;
with Gtk; use Gtk;
with Gtkada.Types; use Gtkada.Types;
with Common; use Common;
package body Create_Progress is
package Time_Cb is new Glib.Main.Generic_Sources (Gtk_Progress_Bar);
Items1 : constant Chars_Ptr_Array :=
"Left-Right" + "Right-Left" + "Bottom-Top" + "Top-Bottom";
type ProgressData is record
Pbar : Gtk_Progress_Bar;
Block_Spin : Gtk_Spin_Button;
X_Align_Spin : Gtk_Spin_Button;
Y_Align_Spin : Gtk_Spin_Button;
Step_Spin : Gtk_Spin_Button;
Act_Blocks_Spin : Gtk_Spin_Button;
Label : Gtk_Label;
Omenu1 : Gtk_Option_Menu;
Omenu1_Group : Widget_SList.GSlist;
Gentry : Gtk_Entry;
Timer : G_Source_Id;
end record;
Pdata : ProgressData;
----------
-- Help --
----------
function Help return String is
begin
return "A @bGtk_Progress_Bar@B is a widget that you can use to display"
& " the status of an operation. In this example, the progress bar is"
& " associated with a @bTimeout@B, and thus updates itself"
& " periodically.";
end Help;
----------------------
-- Progress_Timeout --
----------------------
function Progress_Timeout (Pbar : Gtk_Progress_Bar) return Boolean is
pragma Warnings (Off, Pbar);
New_Val : Gdouble;
Adj : constant Gtk_Adjustment := Get_Adjustment (Pdata.Pbar);
begin
New_Val := Get_Value (Adj) + 5.0;
if New_Val > Get_Upper (Adj) then
New_Val := Get_Lower (Adj);
end if;
Set_Value (Adj, New_Val);
return True;
end Progress_Timeout;
----------------------
-- Destroy_Progress --
----------------------
procedure Destroy_Progress (Window : access Gtk_Widget_Record'Class) is
pragma Warnings (Off, Window);
begin
Remove (Pdata.Timer);
Pdata.Omenu1_Group := Widget_SList.Null_List;
Pdata.Timer := 0;
-- Note: we are in a callback for destroy, so the window will be
-- destroyed elsewhere. No need to do that here.
end Destroy_Progress;
------------------------
-- Toggle_Orientation --
------------------------
procedure Toggle_Orientation (Widget : access Gtk_Widget_Record'Class) is
pragma Warnings (Off, Widget);
I : constant Natural := Selected_Button (Pdata.Omenu1_Group);
begin
Set_Orientation (Pdata.Pbar,
Gtk_Progress_Bar_Orientation'Val (3 - I));
end Toggle_Orientation;
----------------------
-- Toggle_Show_Text --
----------------------
procedure Toggle_Show_Text (Widget : access Gtk_Check_Button_Record'Class)
is
begin
Set_Show_Text (Progress => Pdata.Pbar,
Show_Text => Get_Active (Widget));
Set_Sensitive (Pdata.Gentry, Get_Active (Widget));
Set_Sensitive (Pdata.X_Align_Spin, Get_Active (Widget));
Set_Sensitive (Pdata.Y_Align_Spin, Get_Active (Widget));
end Toggle_Show_Text;
------------------
-- Adjust_Align --
------------------
procedure Adjust_Align (Adj : access Gtk_Adjustment_Record'Class) is
pragma Warnings (Off, Adj);
begin
Set_Text_Alignment
(Pdata.Pbar,
Gfloat (Get_Value (Pdata.X_Align_Spin)),
Gfloat (Get_Value (Pdata.Y_Align_Spin)));
end Adjust_Align;
--------------------------
-- Toggle_Activity_Mode --
--------------------------
procedure Toggle_Activity_Mode
(Widget : access Gtk_Check_Button_Record'Class)
is
begin
Set_Activity_Mode (Pdata.Pbar, Get_Active (Widget));
Set_Sensitive (Pdata.Step_Spin, Get_Active (Widget));
Set_Sensitive (Pdata.Act_Blocks_Spin, Get_Active (Widget));
end Toggle_Activity_Mode;
-------------------
-- Entry_Changed --
-------------------
procedure Entry_Changed (Widget : access Gtk_Widget_Record'Class) is
pragma Warnings (Off, Widget);
begin
Set_Format_String (Pdata.Pbar, Get_Text (Pdata.Gentry));
end Entry_Changed;
---------
-- Run --
---------
procedure Run (Frame : access Gtk.Frame.Gtk_Frame_Record'Class) is
Vbox : Gtk_Box;
Vbox2 : Gtk_Box;
Hbox : Gtk_Box;
Frame2 : Gtk_Frame;
Align : Gtk_Alignment;
Adj : Gtk_Adjustment;
Label : Gtk_Label;
Tab : Gtk_Table;
Check : Gtk_Check_Button;
begin
Set_Label (Frame, "Progress Bar");
Pdata.Timer := 0;
Gtk_New_Vbox (Vbox, False, 5);
Set_Border_Width (Vbox, 10);
Add (Frame, Vbox);
Widget_Handler.Connect
(Vbox, "destroy",
Widget_Handler.To_Marshaller (Destroy_Progress'Access));
Gtk_New (Frame2, "Progress");
Pack_Start (Vbox, Frame2, False, True, 0);
Gtk_New_Vbox (Vbox2, False, 5);
Add (Frame2, Vbox2);
Gtk_New (Align,
Xalign => 0.5,
Yalign => 0.5,
Xscale => 0.0,
Yscale => 0.0);
Pack_Start (Vbox2, Align, False, False, 5);
Gtk_New (Pdata.Pbar);
Configure (Pdata.Pbar, 1.0, 1.0, 300.0);
Set_Format_String (Pdata.Pbar, "%v from [%l,%u] (=%p%%)");
Add (Align, Pdata.Pbar);
Pdata.Timer := Time_Cb.Timeout_Add
(100, Progress_Timeout'Access, Pdata.Pbar);
Gtk_New (Align,
Xalign => 0.5,
Yalign => 0.5,
Xscale => 0.0,
Yscale => 0.0);
Pack_Start (Vbox2, Align, False, False, 5);
Gtk_New_Hbox (Hbox, False, 5);
Add (Align, Hbox);
Gtk_New (Label, "Label updated by user :");
Pack_Start (Hbox, Label, False, True, 0);
Gtk_New (Pdata.Label, "");
Pack_Start (Hbox, Pdata.Label, False, True, 0);
Gtk_New (Frame2, "Options");
Pack_Start (Vbox, Frame2, False, True, 0);
Gtk_New_Vbox (Vbox2, False, 5);
Add (Frame2, Vbox2);
Gtk_New (Tab,
Rows => 7,
Columns => 2,
Homogeneous => False);
Pack_Start (Vbox2, Tab, False, True, 0);
Gtk_New (Label, "Orientation :");
Attach (Tab, Label, 0, 1, 0, 1, Enums.Expand or Enums.Fill,
Enums.Expand or Enums.Fill, 5, 5);
Set_Alignment (Label, 0.0, 0.5);
Build_Option_Menu (Pdata.Omenu1, Pdata.Omenu1_Group,
Items1, 0, Toggle_Orientation'Access);
Gtk_New_Hbox (Hbox, False, 0);
Attach (Tab, Hbox, 1, 2, 0, 1, Enums.Expand or Enums.Fill,
Enums.Expand or Enums.Fill, 5, 5);
Pack_Start (Hbox, Pdata.Omenu1, True, True, 0);
Gtk_New (Check, "Show Text");
Check_Handler.Connect
(Check, "clicked",
Check_Handler.To_Marshaller (Toggle_Show_Text'Access));
Attach (Tab, Check, 0, 1, 1, 2, Enums.Expand or Enums.Fill,
Enums.Expand or Enums.Fill, 5, 5);
Gtk_New_Hbox (Hbox, False, 0);
Attach (Tab, Hbox, 1, 2, 1, 2, Enums.Expand or Enums.Fill,
Enums.Expand or Enums.Fill, 5, 5);
Gtk_New (Label, "Format : ");
Pack_Start (Hbox, Label, False, True, 0);
Gtk_New (Pdata.Gentry);
Widget_Handler.Object_Connect
(Pdata.Gentry, "changed",
Widget_Handler.To_Marshaller (Entry_Changed'Access),
Slot_Object => Pdata.Gentry);
Pack_Start (Hbox, Pdata.Gentry, True, True, 0);
Set_Text (Pdata.Gentry, "%v from [%l,%u] (=%p%%)");
Set_USize (Pdata.Gentry, 100, -1);
Set_Sensitive (Pdata.Gentry, False);
Gtk_New (Label, "Text align :");
Attach (Tab, Label, 0, 1, 2, 3, Enums.Expand or Enums.Fill,
Enums.Expand or Enums.Fill, 5, 5);
Set_Alignment (Label, 0.0, 0.5);
Gtk_New_Hbox (Hbox, False, 0);
Attach (Tab, Hbox, 1, 2, 2, 3, Enums.Expand or Enums.Fill,
Enums.Expand or Enums.Fill, 5, 5);
Gtk_New (Label, "x :");
Pack_Start (Hbox, Label, False, True, 5);
Gtk_New (Adj,
Value => 0.5,
Lower => 0.0,
Upper => 1.0,
Step_Increment => 0.1,
Page_Increment => 0.1,
Page_Size => 0.0);
Gtk_New (Pdata.X_Align_Spin, Adj, Climb_Rate => 0.0, The_Digits => 1);
Pack_Start (Hbox, Pdata.X_Align_Spin, False, True, 0);
Set_Sensitive (Pdata.X_Align_Spin, False);
Adj_Handler.Connect
(Adj, "value_changed",
Adj_Handler.To_Marshaller (Adjust_Align'Access));
Gtk_New (Label, "y :");
Pack_Start (Hbox, Label, False, True, 5);
Gtk_New (Adj,
Value => 0.5,
Lower => 0.0,
Upper => 1.0,
Step_Increment => 0.1,
Page_Increment => 0.1,
Page_Size => 0.0);
Gtk_New (Pdata.Y_Align_Spin, Adj, Climb_Rate => 0.0, The_Digits => 1);
Pack_Start (Hbox, Pdata.Y_Align_Spin, False, True, 0);
Set_Sensitive (Pdata.Y_Align_Spin, False);
Adj_Handler.Connect
(Adj, "value_changed",
Adj_Handler.To_Marshaller (Adjust_Align'Access));
Gtk_New (Label, "Block count :");
Attach (Tab, Label, 0, 1, 4, 5, Enums.Expand or Enums.Fill,
Enums.Expand or Enums.Fill, 5, 5);
Set_Alignment (Label, 0.0, 0.5);
Gtk_New_Hbox (Hbox, False, 0);
Attach (Tab, Hbox, 1, 2, 4, 5, Enums.Expand or Enums.Fill,
Enums.Expand or Enums.Fill, 5, 5);
Gtk_New (Adj,
Value => 10.0,
Lower => 2.0,
Upper => 20.0,
Step_Increment => 1.0,
Page_Increment => 5.0,
Page_Size => 0.0);
Gtk_New (Pdata.Block_Spin, Adj, Climb_Rate => 0.0, The_Digits => 0);
Pack_Start (Hbox, Pdata.Block_Spin, False, True, 0);
Set_Sensitive (Pdata.Block_Spin, False);
Gtk_New (Check, "Activity mode");
Check_Handler.Connect
(Check, "clicked",
Check_Handler.To_Marshaller (Toggle_Activity_Mode'Access));
Attach (Tab, Check, 0, 1, 5, 6, Enums.Expand or Enums.Fill,
Enums.Expand or Enums.Fill, 5, 5);
Gtk_New_Hbox (Hbox, False, 0);
Attach (Tab, Hbox, 1, 2, 5, 6, Enums.Expand or Enums.Fill,
Enums.Expand or Enums.Fill, 5, 5);
Gtk_New (Label, "Step size :");
Pack_Start (Hbox, Label, False, True, 0);
Gtk_New (Adj,
Value => 3.0,
Lower => 1.0,
Upper => 20.0,
Step_Increment => 1.0,
Page_Increment => 5.0,
Page_Size => 0.0);
Gtk_New (Pdata.Step_Spin, Adj, Climb_Rate => 0.0, The_Digits => 0);
Pack_Start (Hbox, Pdata.Step_Spin, False, True, 0);
Set_Sensitive (Pdata.Step_Spin, False);
Gtk_New_Hbox (Hbox, False, 0);
Attach (Tab, Hbox, 1, 2, 6, 7, Enums.Expand or Enums.Fill,
Enums.Expand or Enums.Fill, 5, 5);
Gtk_New (Label, "Blocks :");
Pack_Start (Hbox, Label, False, True, 0);
Gtk_New (Adj,
Value => 5.0,
Lower => 2.0,
Upper => 10.0,
Step_Increment => 1.0,
Page_Increment => 5.0,
Page_Size => 0.0);
Gtk_New (Pdata.Act_Blocks_Spin, Adj, Climb_Rate => 0.0,
The_Digits => 0);
Pack_Start (Hbox, Pdata.Act_Blocks_Spin, False, True, 0);
Set_Sensitive (Pdata.Act_Blocks_Spin, False);
Show_All (Vbox);
end Run;
end Create_Progress;
|
