Re: Questions I should have asked
- From: "Daniel K. O." <danielosmari yahoo com br>
- To: gtk-app-devel-list gnome org
- Subject: Re: Questions I should have asked
- Date: Mon, 31 May 2004 17:50:46 -0300
Nix N. Nix wrote:
- Check if the dropline.net/gtk Runtime Environment is installed
- If not, it pops a message box telling the user that installation
cannot proceed, and points them to dropline.net/gtk, asking them to
download the GTK runtime environment
- If yes, the installer picks up the GTK Runtime installation path
from the registry and adds it to the AppPaths registry key for
your_application.exe.
Making your app dependant of another installation isn't very friendly.
You should suggest the installation, but not require it.
Sometimes the user already have the GTK+ DLLs installed in the path.
Then the user have to install the dropline/whatever GTK+ setup, install
the app, and then uninstall the dropline/whatever setup (to use the
previous installed DLLs). I gave up installing some GTK+ apps on my
windows box because of that. I always recommend to try a LoadLibrary()
call if it can't find the correct setup in the registry, just in case
the user manually installed the runtime libs.
[Code]
var
Exists: Boolean;
GtkPath: String;
function GetGtkInstalled (): Boolean;
begin
Exists := RegQueryStringValue (HKLM, 'Software\GTK\2.0', 'Path', GtkPath);
if not Exists then begin
Exists := RegQueryStringValue (HKCU, 'Software\GTK\2.0', 'Path', GtkPath);
end;
Result := Exists
end;
function GetGtkPath (S: String): String;
begin
Result := GtkPath;
end;
function InitializeSetup(): Boolean;
begin
Result := GetGtkInstalled ();
if not Result then begin
MsgBox ('Please install the GTK+ 2.0 Runtime Environment before installing QCADesigner. You can obtain
GTK+ from http://www.dropline.net/gtk .', mbError, MB_OK);
end;
end;
THIS is the kind of setup I was talking about! :-(
Daniel K. O.
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