microm8-gui/backup/main.pas
April Ayres-Griffiths 62792fb097 initial commit
2019-03-31 14:59:50 +11:00

404 lines
9.5 KiB
ObjectPascal

unit main;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, Forms, Controls, Graphics, Dialogs, Menus, ComCtrls,
ExtCtrls, StdCtrls, fphttpclient, LCLType, Buttons, DateUtils,
{$IFDEF WINDOWS}
Windows,
{$ENDIF}
Sockets
;
type
{ TGUIForm }
TGUIForm = class(TForm)
BackdropImage: TImage;
ImageList1: TImageList;
MainMenu1: TMainMenu;
Memo1: TMemo;
MenuItem1: TMenuItem;
MenuItem10: TMenuItem;
MenuItem11: TMenuItem;
MenuItem12: TMenuItem;
MenuItem13: TMenuItem;
MenuItem2: TMenuItem;
embedPanel: TPanel;
menuRebootVM: TMenuItem;
MenuItem4: TMenuItem;
MenuItem5: TMenuItem;
MenuItem6: TMenuItem;
MenuItem7: TMenuItem;
MenuItem8: TMenuItem;
MenuItem9: TMenuItem;
DiskMenu: TPopupMenu;
StatusBar1: TStatusBar;
hc: TFPHttpClient;
CheckTimer: TTimer;
ToolBar1: TToolBar;
procedure Button1Click(Sender: TObject);
procedure CheckTimerTimer(Sender: TObject);
procedure FormActivate(Sender: TObject);
procedure FormChangeBounds(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure FormDeactivate(Sender: TObject);
procedure FormHide(Sender: TObject);
procedure FormKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState);
procedure FormKeyPress(Sender: TObject; var Key: char);
procedure FormKeyUp(Sender: TObject; var Key: Word; Shift: TShiftState);
procedure FormResize(Sender: TObject);
procedure FormShow(Sender: TObject);
procedure FormUTF8KeyPress(Sender: TObject; var UTF8Key: TUTF8Char);
procedure FormWindowStateChange(Sender: TObject);
procedure MenuItem1Click(Sender: TObject);
procedure MenuItem2Click(Sender: TObject);
procedure Freeze;
procedure UnFreeze;
procedure HideM8;
procedure menuRebootVMClick(Sender: TObject);
procedure ShowM8;
procedure RebootVM;
procedure ReposWindow;
procedure RepaintWindow;
function GetTitleOfActiveWindow: string;
procedure SendKey(key: Char; ScanCode: Integer; KeyAction: Integer; Mods: Integer);
procedure tbDisk1MouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure tbDisk2MouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure ToolButton5Click(Sender: TObject);
private
lx, ly, lw, lh: integer;
lastShowTime: TDateTime;
lastHideTime: TDateTime;
hidden: boolean;
public
procedure AppActivate(Sender: TObject);
procedure AppDeactivate(Sender: TObject);
constructor Create(TheOwner: TComponent); override;
end;
var
GUIForm: TGUIForm;
implementation
{$R *.lfm}
{ TGUIForm }
constructor TGUIForm.Create(TheOwner: TComponent);
begin
inherited Create(TheOwner);
Application.OnDeactivate:=@AppDeactivate;
Application.OnActivate:=@AppActivate;
end;
procedure TGUIForm.AppActivate(Sender: TObject);
begin
StatusBar1.SimpleText := 'App has gained focus!';
if MillisecondsBetween(Now(), lastHideTime) < 1000 then
exit;
ShowM8;
Memo1.Lines.Add('app is activating');
end;
procedure TGUIForm.AppDeactivate(Sender: TObject);
begin
if MillisecondsBetween(Now(), lastShowTime) < 1000 then
exit;
RepaintWindow;
HideM8;
StatusBar1.SimpleText := 'App has lost focus!';
Memo1.Lines.Add('app is deactivating');
end;
procedure TGUIForm.RebootVM;
begin
self.hc.Get('http://localhost:38911/api/control/system/reboot');
end;
procedure TGUIForm.Freeze;
begin
self.hc.Get('http://localhost:38911/api/control/window/freeze');
end;
procedure TGUIForm.UnFreeze;
begin
self.hc.Get('http://localhost:38911/api/control/window/unfreeze');
end;
procedure TGUIForm.HideM8;
begin
if hidden then
exit;
Memo1.Lines.Add('hiding m8 window');
self.hc.Get('http://localhost:38911/api/control/window/hide');
lastHideTime := Now();
hidden := true;
end;
procedure TGUIForm.menuRebootVMClick(Sender: TObject);
begin
RebootVM;
end;
procedure TGUIForm.ShowM8;
begin
if not hidden then
exit;
Memo1.Lines.Add('showing m8 window');
self.hc.Get('http://localhost:38911/api/control/window/show');
lastShowTime := Now();
hidden := false;
end;
procedure TGUIForm.RepaintWindow;
var
S: TMemoryStream;
filename: string;
begin
S := TMemoryStream.Create();
self.hc.Get('http://localhost:38911/api/control/window/screen', S);
if S.Size > 0 then
begin
filename := GetUserDir + PathSeparator + 'microm8scrn.png';
StatusBar1.SimpleText:='Got '+IntToStr(S.Size)+' bytes of PNG data';
S.SaveToFile(filename);
BackdropImage.Picture.LoadFromFile(filename);
S.Free;
end;
end;
procedure TGUIForm.ReposWindow;
var
x, y, w, h: integer;
json, S: string;
Respo: TStringStream;
p, q: TPoint;
begin
q.X := 0;
q.Y := 0;
p := embedPanel.ClientToScreen(q);
x := p.X;
y := p.Y;
w := embedPanel.Width;
h := embedPanel.Height;
if (lx = x) and (ly = y) and (lw = w) and (lh = h) then
exit;
lx := x;
ly := y;
lw := w;
lh := h;
json := '{"x":' + IntToStr(x) +
',"y":'+IntToStr(y) +
',"w":'+IntToStr(w) +
',"h":'+IntToStr(h) +
'}';
Respo := TStringStream.Create('');
self.hc.SimpleFormPost('http://localhost:38911/api/control/window/position',json,Respo);
S := Respo.DataString;
self.StatusBar1.SimpleText:=S;
Respo.Destroy;
end;
procedure TGUIForm.SendKey(key: Char; ScanCode: Integer; KeyAction: Integer; Mods: Integer);
var
json, S: string;
Respo: TStringStream;
begin
if key = Char(8) then
key := Char(127);
json := '{"key":' + IntToStr(Ord(key)) +
',"scancode":'+IntToStr(ScanCode) +
',"action":'+IntToStr(KeyAction) +
',"modifiers":'+IntToStr(Mods) +
'}';
Respo := TStringStream.Create('');
self.hc.SimpleFormPost('http://localhost:38911/api/control/input/keyevent',json,Respo);
S := Respo.DataString;
self.StatusBar1.SimpleText:=S;
Respo.Destroy;
end;
procedure TGUIForm.tbDisk1MouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
begin
DiskMenu.Tag := TToolButton(Sender).Tag;
StatusBar1.SimpleText := 'Disk 1';
end;
procedure TGUIForm.tbDisk2MouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
begin
DiskMenu.Tag := TToolButton(Sender).Tag;
StatusBar1.SimpleText := 'Disk 2';
end;
procedure TGUIForm.ToolButton5Click(Sender: TObject);
begin
RebootVM;
end;
procedure TGUIForm.MenuItem1Click(Sender: TObject);
begin
end;
procedure TGUIForm.FormActivate(Sender: TObject);
begin
end;
procedure TGUIForm.FormChangeBounds(Sender: TObject);
begin
self.ReposWindow;
end;
procedure TGUIForm.Button1Click(Sender: TObject);
begin
self.ReposWindow;
end;
{$IFDEF WINDOWS}
function TGUIForm.GetTitleOfActiveWindow: string;
var
AHandle: THandle;
ATitle: string;
ALen: Integer;
begin
Result := '';
AHandle := GetForegroundWindow;
if AHandle <> 0 then begin
ALen := GetWindowTextLength(AHandle) + 1;
SetLength(ATitle, ALen);
GetWindowText(AHandle, PChar(ATitle), ALen);
result := Trim(ATitle);
end;
end;
{$ELSE}
// stub for now
function TGUIForm.GetTitleOfActiveWindow: string;
var s: string;
begin
Result := '';
s := self.hc.Get('http://localhost:38911/api/control/window/focused');
if s = '1' then
Result := 'microM8';
end;
{$ENDIF}
procedure TGUIForm.CheckTimerTimer(Sender: TObject);
begin
//if MilliSecondsBetween(Now(), lastShowTime) < 500 then
// exit;
if WindowState = wsMinimized then
exit;
if hidden then
exit;
if GetTitleOfActiveWindow = 'microM8' then
begin
//Application.Restore;
Application.BringToFront;
{$IFDEF WINDOWS}
SetForegroundWindow(Application.MainForm.Handle);
{$ENDIF}
StatusBar1.SimpleText := 'App is refocussing';
lastShowTime := Now();
end;
end;
procedure TGUIForm.FormCreate(Sender: TObject);
begin
self.hc := TFPHttpClient.Create(Nil);
hidden := true;
end;
procedure TGUIForm.FormDeactivate(Sender: TObject);
begin
end;
procedure TGUIForm.FormHide(Sender: TObject);
begin
RepaintWindow;
HideM8;
end;
procedure TGUIForm.FormKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState
);
var
m: Integer;
begin
m := 0;
if ssShift in Shift then
m := m or 1;
if ssCtrl in Shift then
m := m or 2;
if ssAlt in Shift then
m := m or 4;
SendKey( Char(Key), 0, 1, m );
end;
procedure TGUIForm.FormKeyPress(Sender: TObject; var Key: char);
begin
SendKey( Key, 0, 1, 0 );
end;
procedure TGUIForm.FormKeyUp(Sender: TObject; var Key: Word; Shift: TShiftState);
var
m: Integer;
begin
m := 0;
if ssShift in Shift then
m := m or 1;
if ssCtrl in Shift then
m := m or 2;
if ssAlt in Shift then
m := m or 4;
SendKey( Char(Key), 0, 0, m );
end;
procedure TGUIForm.FormResize(Sender: TObject);
begin
// on form resize we need to send a size request
ReposWindow;
end;
procedure TGUIForm.FormShow(Sender: TObject);
begin
ShowM8;
ReposWindow;
end;
procedure TGUIForm.FormUTF8KeyPress(Sender: TObject; var UTF8Key: TUTF8Char);
begin
end;
procedure TGUIForm.FormWindowStateChange(Sender: TObject);
begin
Memo1.Lines.Add('window state has changed');
if WindowState = wsMinimized then
HideM8
else
ShowM8;
end;
procedure TGUIForm.MenuItem2Click(Sender: TObject);
begin
Application.Terminate();
end;
end.