GtkSharp/gtk/Application.cs
Bertrand Lorentz 691de4e606 gtk: Fix dll name and use a const for all DllImports in custom code
In Windows builds of GTK+ 3.x, the dll filename is libgtk-3-0.dll.

We use this opportunity to use a common const in the DllImport
statement for all custom code.
2014-02-23 15:12:20 +01:00

220 lines
5.9 KiB
C#
Executable file

// GTK.Application.cs - GTK Main Event Loop class implementation
//
// Author: Mike Kestner <mkestner@speakeasy.net>
//
// Copyright (c) 2001 Mike Kestner
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of version 2 of the Lesser GNU General
// Public License as published by the Free Software Foundation.
//
// This program 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this program; if not, write to the
// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
namespace Gtk {
using System;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Threading;
using Gdk;
public partial class Application {
const int WS_EX_TOOLWINDOW = 0x00000080;
const int WS_OVERLAPPEDWINDOW = 0x00CF0000;
[DllImport ("user32.dll", EntryPoint="CreateWindowExW", CharSet=CharSet.Unicode, CallingConvention=CallingConvention.StdCall)]
static extern IntPtr Win32CreateWindow (int dwExStyle, string lpClassName, string lpWindowName,int dwStyle, int x, int y, int nWidth, int nHeight, IntPtr hWndParent, IntPtr hMenu, IntPtr hInstance, IntPtr lParam);
[DllImport ("user32.dll", EntryPoint="DestroyWindow", CharSet=CharSet.Unicode, CallingConvention=CallingConvention.StdCall)]
static extern bool Win32DestroyWindow (IntPtr window);
static Application ()
{
if (!GLib.Thread.Supported)
GLib.Thread.Init ();
switch (Environment.OSVersion.Platform) {
case PlatformID.Win32NT:
case PlatformID.Win32S:
case PlatformID.Win32Windows:
case PlatformID.WinCE:
// No idea why we need to create that window, but it enables visual styles on the Windows platform
IntPtr window = Win32CreateWindow (WS_EX_TOOLWINDOW, "static", "gtk-sharp visual styles window", WS_OVERLAPPEDWINDOW, 0, 0, 0, 0, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
Win32DestroyWindow (window);
break;
default:
break;
}
}
[DllImport (Global.GtkNativeDll, CallingConvention = CallingConvention.Cdecl)]
static extern void gtk_init (ref int argc, ref IntPtr argv);
[DllImport (Global.GtkNativeDll, CallingConvention = CallingConvention.Cdecl)]
static extern bool gtk_init_check (ref int argc, ref IntPtr argv);
static void SetPrgname ()
{
var args = Environment.GetCommandLineArgs ();
if (args != null && args.Length > 0)
GLib.Global.ProgramName = System.IO.Path.GetFileNameWithoutExtension (args [0]);
}
public static void Init ()
{
SetPrgname ();
IntPtr argv = new IntPtr(0);
int argc = 0;
gtk_init (ref argc, ref argv);
SynchronizationContext.SetSynchronizationContext (new GLib.GLibSynchronizationContext ());
}
static bool do_init (string progname, ref string[] args, bool check)
{
SetPrgname ();
bool res = false;
string[] progargs = new string[args.Length + 1];
progargs[0] = progname;
args.CopyTo (progargs, 1);
GLib.Argv argv = new GLib.Argv (progargs);
IntPtr buf = argv.Handle;
int argc = progargs.Length;
if (check)
res = gtk_init_check (ref argc, ref buf);
else
gtk_init (ref argc, ref buf);
if (buf != argv.Handle)
throw new Exception ("init returned new argv handle");
// copy back the resulting argv, minus argv[0], which we're
// not interested in.
if (argc <= 1)
args = new string[0];
else {
progargs = argv.GetArgs (argc);
args = new string[argc - 1];
Array.Copy (progargs, 1, args, 0, argc - 1);
}
return res;
}
public static void Init (string progname, ref string[] args)
{
do_init (progname, ref args, false);
}
public static bool InitCheck (string progname, ref string[] args)
{
return do_init (progname, ref args, true);
}
[DllImport (Global.GtkNativeDll, CallingConvention = CallingConvention.Cdecl)]
static extern void gtk_main ();
public static void Run ()
{
gtk_main ();
}
[DllImport (Global.GtkNativeDll, CallingConvention = CallingConvention.Cdecl)]
static extern bool gtk_events_pending ();
public static bool EventsPending ()
{
return gtk_events_pending ();
}
[DllImport (Global.GtkNativeDll, CallingConvention = CallingConvention.Cdecl)]
static extern void gtk_main_iteration ();
[DllImport (Global.GtkNativeDll, CallingConvention = CallingConvention.Cdecl)]
static extern bool gtk_main_iteration_do (bool blocking);
public static void RunIteration ()
{
gtk_main_iteration ();
}
public static bool RunIteration (bool blocking)
{
return gtk_main_iteration_do (blocking);
}
[DllImport (Global.GtkNativeDll, CallingConvention = CallingConvention.Cdecl)]
static extern void gtk_main_quit ();
public static void Quit ()
{
gtk_main_quit ();
}
[DllImport (Global.GtkNativeDll, CallingConvention = CallingConvention.Cdecl)]
static extern IntPtr gtk_get_current_event ();
public static Gdk.Event CurrentEvent {
get {
return Gdk.Event.GetEvent (gtk_get_current_event ());
}
}
internal class InvokeCB {
EventHandler d;
object sender;
EventArgs args;
internal InvokeCB (EventHandler d)
{
this.d = d;
args = EventArgs.Empty;
sender = this;
}
internal InvokeCB (EventHandler d, object sender, EventArgs args)
{
this.d = d;
this.args = args;
this.sender = sender;
}
internal bool Invoke ()
{
d (sender, args);
return false;
}
}
public static void Invoke (EventHandler d)
{
InvokeCB icb = new InvokeCB (d);
GLib.Timeout.Add (0, new GLib.TimeoutHandler (icb.Invoke));
}
public static void Invoke (object sender, EventArgs args, EventHandler d)
{
InvokeCB icb = new InvokeCB (d, sender, args);
GLib.Timeout.Add (0, new GLib.TimeoutHandler (icb.Invoke));
}
}
}