lazarus/lcl/interfaces/customdrawn/customdrawnint.pas
juha a714a91311 LCL: Move TLCLPlatform and related non-GUI code to a new unit to be used without GUI.
Organize uses-sections by package so that dependencies can be easier seen.

git-svn-id: trunk@53711 -
2016-12-17 22:58:08 +00:00

521 lines
17 KiB
ObjectPascal

{
/***************************************************************************
CustomDrawnInt.pas - CustomDrawn Interface Object
-------------------
***************************************************************************/
*****************************************************************************
This file is part of the Lazarus Component Library (LCL)
See the file COPYING.modifiedLGPL.txt, included in this distribution,
for details about the license.
*****************************************************************************
}
unit CustomDrawnInt;
{$mode objfpc}{$H+}
{$I customdrawndefines.inc}
interface
uses
// RTL
// for CD_Cocoa Types needs to be after the platform-specif units or else Mac
// will catch MacOSAll.Rect/Size/Point
{$ifndef CD_Cocoa}Types,{$endif}Classes, SysUtils, Math,
fpimage, fpcanvas, fpimgcanv, ctypes, dateutils,
// XML
XMLRead, Dom,
// Platform specific
{$ifdef CD_Windows}Windows, customdrawn_WinProc, customdrawn_winextra,{$endif}
{$ifdef CD_Cocoa}MacOSAll, CocoaAll, customdrawn_cocoaproc, CocoaGDIObjects,Types,{$endif}
{$ifdef CD_X11}X, XLib, XUtil, BaseUnix, customdrawn_x11proc,{$ifdef CD_UseNativeText}xft, fontconfig,{$endif}{$endif}
{$ifdef CD_Android}
customdrawn_androidproc, jni, bitmap, log, keycodes,
{$endif}
{$ifdef WinCE}aygshell,{$endif}
// LazUtils
LazFileUtils, lazutf8,
{$ifndef CD_UseNativeText}
// LazFreeType
LazFreeTypeIntfDrawer, LazFreeType, EasyLazFreeType, IniFiles,
{$endif}
// Widgetset
customdrawnproc, customdrawnthemes,
// LCL
customdrawn_common, customdrawncontrols, customdrawndrawers,
lazcanvas, lazregions, lazdeviceapis,
LCLPlatformDef, InterfaceBase, Themes, Dialogs, Buttons,
Controls, Forms, lclproc, IntfGraphics, GraphType,
LCLType, LMessages, Graphics, LCLStrConsts, Menus, LazLoggerBase;
type
{$ifdef CD_Windows}
TWinCETitlePolicy = (tpAlwaysUseOKButton, tpOKButtonOnlyOnDialogs, tpControlWithBorderIcons);
PPPipeEventInfo = ^PPipeEventInfo;
PPipeEventInfo = ^TPipeEventInfo;
TPipeEventInfo = record
Handle: THandle;
UserData: PtrInt;
OnEvent: TPipeEvent;
Prev: PPipeEventInfo;
Next: PPipeEventInfo;
end;
TWaitHandler = record
ListIndex: pdword;
UserData: PtrInt;
OnEvent: TWaitHandleEvent;
end;
TSocketEvent = function(ASocket: THandle; Flags: dword): Integer of object;
{$endif}
{$ifdef CD_Cocoa}
TCDTimerObject=objcclass(NSObject)
func : TWSTimerProc;
procedure timerEvent; message 'timerEvent';
class function initWithFunc(afunc: TWSTimerProc): TCDTimerObject; message 'initWithFunc:';
end;
TCDAppDelegate = objcclass(NSObject, NSApplicationDelegateProtocol)
function applicationShouldTerminate(sender: NSApplication): NSApplicationTerminateReply; message 'applicationShouldTerminate:';
end;
{$endif}
{$ifdef CD_X11}
// Just in case...
{$endif}
// Return true to disable the form background drawing
TDisableFormBackgroundDrawingProc = function (AForm: TCustomForm): Boolean of object;
{ TLazCDCustomFont }
TLazCDCustomFont = class(TFPCustomFont)
public
{$ifndef CD_UseNativeText}
FTFont: TFreeTypeFont;
{$endif}
constructor Create; override;
destructor Destroy; override;
end;
{ TCDWidgetSet }
TCDWidgetSet = class(TWidgetSet)
private
FTerminating: Boolean;
// Clipboard support
FClipBoardFormats: TStringList;
{$ifdef CD_WINDOWS}
// In win32 it is: The parent of all windows, represents the button of the taskbar
// In wince it is just an invisible window, but retains the following functions:
// * This window is also the owner of the clipboard.
// * Assoc. windowproc also acts as handler for popup menus
// * It is indispensable for popupmenus and thread synchronization
FAppHandle: THandle;
FMetrics: TNonClientMetrics;
FMetricsFailed: Boolean;
FStatusFont: HFONT;
FMessageFont: HFONT;
FWaitHandleCount: dword;
FWaitHandles: array of HANDLE;
FWaitHandlers: array of TWaitHandler;
FWaitPipeHandlers: PPipeEventInfo;
FOnAsyncSocketMsg: TSocketEvent;
function WinRegister: Boolean;
procedure CreateAppHandle;
{$endif}
public
{$ifdef CD_X11}
FDisplayName: string;
FDisplay: PDisplay;
FScreen: longint;
FVisual: TVisual; // Visual from X11
LeaderWindow: X.TWindow;
ClientLeaderAtom: TAtom;
FWMProtocols: TAtom; // Atom for "WM_PROTOCOLS"
FWMDeleteWindow: TAtom; // Atom for "WM_DELETE_WINDOW"
FWMHints: TAtom; // Atom for "_MOTIF_WM_HINTS"
FWMPaint: TAtom; // Atom for "WM_PAINT"
// For composing character events
ComposeBuffer: string;
ComposeStatus: TStatus;
InputMethod: xlib.PXIM;
InputContext: PXIC;
LastKeySym: TKeySym; // Used for KeyRelease event
LastKey: Word; // Used for KeyRelease event
ShiftState: TShiftState; // Keeps ShiftState from X
// XConnections list
XConnections: TFPList;
// Windows Info List
XWindowList: TStringList;
// Timer queue head
{$ifdef CD_X11_UseNewTimer}
XTimerListHead: customdrawn_x11proc.TCDX11Timer;
{$endif}
// Functions to keep track of windows needing repaint
function CheckInvalidateWindowForX(XWIndowID: X.TWindow): Boolean;
procedure WindowUpdated(XWIndowID: X.TWindow);
function FindWindowByXID(XWindowID: X.TWindow; out AWindowInfo: TX11WindowInfo): TWinControl;
procedure AppProcessMessage;
procedure AppProcessInvalidates;
function XStateToLCLState(XKeyState: cuint): TShiftState;
{$endif}
{$ifdef CD_Android}
CombiningAccent: Cardinal;
{$IFnDEF WithOldDebugln}
procedure AndroidDebugLn(ASender: TObject; AStr: string; var AHandled: Boolean;
Target: TLazLoggerWriteTarget; Data: Pointer);
{$ELSE}
procedure AndroidDebugLn(AStr: string);
{$ENDIF}
function AndroidKeyCodeToLCLKeyCode(AAndroidKeyCode: Integer): Word;
function DoOpenURLWidgetsetImplementation(AURL: string): Boolean;
function DoOpenDocumentWidgetsetImplementation(APath: string): Boolean;
function DoOpenAndroidURI(AURI: JObject; AMimeType: string): Boolean;
function GetMimeTypeFromFileName(AFileName: string): string;
procedure ShowListViewDialog(ATitle: string; ATitles,
ADescriptions: array of string;
AColorOddRow: jint = $ff292C29; AColorEvenRow: jint = $ff424542);
{$endif}
{$ifdef CD_Cocoa}
pool : NSAutoreleasePool;
NSApp : NSApplication;
delegate : TCDAppDelegate;
ScreenBitmapContext: CGContextRef;
{$endif}
// For generic methods added in customdrawn
// They are used internally in LCL-CustomDrawn, LCL app should not use them
public
{$ifndef CD_UseNativeText}
// Font Path List
FFontPaths: TstringList;
FFontList: THashedStringList;
// default fonts availability
LiberationFont: Boolean;
LuxiFont: Boolean;
{$endif}
// Stock objects
FStockBlackBrush: TFPCustomBrush;
FStockDKGrayBrush: TFPCustomBrush;
FStockGrayBrush: TFPCustomBrush;
FStockLtGrayBrush: TFPCustomBrush;
FStockNullBrush: TFPCustomBrush;
FStockWhiteBrush: TFPCustomBrush;
FStockBlackPen: TFPCustomPen;
FStockNullPen: TFPCustomPen;
FStockWhitePen: TFPCustomPen;
DefaultFontSize: Integer;
FDefaultGUIFont: TFPCustomFont;
//
AccumulatedStr: string;
// The currently focused control
FocusedControl: TWinControl;
FocusedIntfControl: TWinControl;
// Default Fonts
DefaultFont: TFPCustomFont;
DefaultFontAndroidSize: Integer;
// Mobile emulator and mobile mode
MobileMainForm: TLCLIntfHandle;
// For unusual implementations of DebugLn/DebugOut
{$IFnDEF WithOldDebugln}
procedure AccumulatingDebugOut(ASender: TObject; AStr: string; var AHandled: Boolean;
Target: TLazLoggerWriteTarget; Data: Pointer);
{$ELSE}
procedure AccumulatingDebugOut(AStr: string);
{$ENDIF}
//
procedure CDSetFocusToControl(ALCLControl, AIntfControl: TWinControl);
//
protected
function CreateThemeServices: TThemeServices; override;
function GetAppHandle: THandle; override; //BackendSpecific
//procedure SetAppHandle(const AValue: THandle); override;
//
procedure BackendCreate;
procedure BackendDestroy;
//
procedure GenericAppInit;
public
// ScreenDC and Image for doing Canvas operations outside the Paint event
// and also for text drawing operations
ScreenDC: TLazCanvas;
ScreenBitmapRawImage: TRawImage;
ScreenBitmapHeight: Integer;
ScreenBitmapWidth: Integer;
ScreenImage: TLazIntfImage;
ScreenFormat: TLazCanvasImageFormat;
// Android Activity callbacks
ActivityOnCreate: TProcedure;
ActivityClassName: string;
constructor Create; override;
destructor Destroy; override;
function LCLPlatform: TLCLPlatform; override;
function GetLCLCapability(ACapability: TLCLCapability): PtrUInt; override;
{ Initialize the API }
procedure AppInit(var ScreenInfo: TScreenInfo); override;
procedure AppRun(const ALoop: TApplicationMainLoop); override;
procedure AppWaitMessage; override;
procedure AppProcessMessages; override;
procedure AppTerminate; override;
procedure AppMinimize; override;
procedure AppRestore; override;
procedure AppBringToFront; override;
procedure AppSetIcon(const Small, Big: HICON); override;
procedure AppSetTitle(const ATitle: string); override;
procedure AppSetVisible(const AVisible: Boolean); override;
function AppRemoveStayOnTopFlags(const ASystemTopAlso: Boolean = False): Boolean; override;
function AppRestoreStayOnTopFlags(const ASystemTopAlso: Boolean = False): Boolean; override;
procedure AppSetMainFormOnTaskBar(const DoSet: Boolean); override;
//function InitStockFont(AFont: TObject; AStockFont: TStockFont): Boolean; override;
procedure DCSetPixel(CanvasHandle: HDC; X, Y: integer; AColor: TGraphicsColor); override;
function DCGetPixel(CanvasHandle: HDC; X, Y: integer): TGraphicsColor; override;
procedure DCRedraw(CanvasHandle: HDC); override;
procedure DCSetAntialiasing(CanvasHandle: HDC; AEnabled: Boolean); override;
procedure SetDesigning(AComponent: TComponent); override;
// create and destroy
function CreateTimer(Interval: integer; TimerFunc: TWSTimerProc): THandle; override;
function DestroyTimer(TimerHandle: THandle): boolean; override;
{$I customdrawnwinapih.inc}
{$I customdrawnlclintfh.inc}
public
{ Variables to be set by the user }
{$ifdef WinCE}
WinCETitlePolicy: TWinCETitlePolicy;
{$endif}
// This callback might be set to provide a routine which will select for
// which forms the drawing of the background should be disabled
// This is provided for speeding up the drawing
//
// Only use it if you are 100% sure that you are filling the entire buffer
// in the form paint event. Note that the form might sometimes be smaller
// then the buffer in Android so fill the entire Canvas area, not only the form size
DisableFormBackgroundDrawingProc: TDisableFormBackgroundDrawingProc;
end;
var
CDWidgetSet: TCDWidgetSet absolute WidgetSet;
function CDMessageBoxFunction(Text, Caption : PChar; Flags : Longint) : Integer;
{$ifdef CD_WINDOWS}
function WindowProc(Window: HWnd; Msg: UInt; WParam: Windows.WParam;
LParam: Windows.LParam): LResult; {$ifdef WinCE}cdecl;{$else}stdcall;{$endif}
{$endif}
{$ifdef CD_X11}
procedure MyXConnectionWatchProc(display: PDisplay; client_data: TXPointer;
fd: cint; opening: XLib.TBool; watch_data: PXPointer); cdecl;
{$endif}
{$ifdef CD_Android}
function Java_com_pascal_lclproject_LCLActivity_LCLOnTouch(env:PJNIEnv;this:jobject; x, y: single; action: jint): jint; cdecl;
function Java_com_pascal_lclproject_LCLActivity_LCLDrawToBitmap(
env:PJNIEnv;this:jobject; width, height: jint; abitmap: jobject): jint; cdecl;
function Java_com_pascal_lclproject_LCLActivity_LCLOnCreate(
env:PJNIEnv; this:jobject; alclactivity: jobject): jint; cdecl;
function Java_com_pascal_lclproject_LCLActivity_LCLOnMessageBoxFinished(
env:PJNIEnv; this:jobject; AResult, ADialogType: jint): jint; cdecl;
function Java_com_pascal_lclproject_LCLActivity_LCLOnKey(
env:PJNIEnv; this:jobject; AKind: jint; AKeyCode: jint;
AEvent: jobject; AChar: jint): jint; cdecl;
function Java_com_pascal_lclproject_LCLActivity_LCLOnTimer(
env:PJNIEnv; this:jobject; ATimer: jobject; ATimerIDIndex: jint): jint; cdecl;
function Java_com_pascal_lclproject_LCLActivity_LCLOnConfigurationChanged(
env:PJNIEnv; this:jobject; ANewDPI, ANewWidth: jint): jint; cdecl;
function Java_com_pascal_lclproject_LCLActivity_LCLOnSensorChanged(
env:PJNIEnv; this:jobject; ASensorKind: jint; AValues: JDoubleArray): jint; cdecl;
function Java_com_pascal_lclproject_LCLActivity_LCLOnMenuAction(
env:PJNIEnv; this:jobject; kind, itemIndex: jint): jint; cdecl;
function JNI_OnLoad(vm:PJavaVM;reserved:pointer):jint; cdecl;
procedure JNI_OnUnload(vm:PJavaVM;reserved:pointer); cdecl;
var
javaVMRef: PJavaVM=nil;
javaEnvRef: PJNIEnv=nil;
javaActivityClass: JClass = nil;
javaActivityObject: jobject = nil;
// The SDK Version
android_os_Build_VERSION_SDK_INT: jint;
// Other classes and objects
javaAndroidAppActivityClass: JClass = nil;
javaJavaLangSystemClass: JClass = nil;
javaAndroidOSBuildClass: JClass = nil;
javaAndroidOSVibratorClass: JClass = nil;
javaAndroidContentContextClass: JClass = nil;
javaJavaLangStringClass: JClass = nil;
javaAndroidOSBuildVERSIONClass: JClass = nil;
// Other fields
javaField_VERSION_SDK_INT: JFieldID = nil;
// Fields of our Activity
// Strings
javaField_lcltext: JfieldID=nil;
javaField_lcltitle: JfieldID=nil;
javaField_lclbutton1str: JfieldID=nil;
javaField_lclbutton2str: JfieldID=nil;
javaField_lclbutton3str: JfieldID=nil;
// Integers
javaField_lclwidth: JfieldID=nil;
javaField_lclheight: JfieldID=nil;
javaField_lclbutton1: JfieldID=nil;
javaField_lclbutton2: JfieldID=nil;
javaField_lclbutton3: JfieldID=nil;
javaField_lclbitmap: JfieldID=nil;
javaField_lcltextsize: JfieldID=nil;
// Text metrics
javaField_lcltextascent: JfieldID=nil;
javaField_lcltextbottom: JfieldID=nil;
javaField_lcltextdescent: JfieldID=nil;
javaField_lcltextleading: JfieldID=nil;
javaField_lcltexttop: JfieldID=nil;
javaField_lclmaxwidth: JfieldID=nil;
javaField_lclmaxcount: JfieldID=nil;
javaField_lclpartialwidths: JfieldID=nil;
// Timer
javaField_lcltimerinterval: JfieldID=nil;
javaField_lcltimerid: JfieldID=nil;
// Screen Metrics
javaField_lclxdpi: JfieldID=nil;
javaField_lclydpi: JfieldID=nil;
javaField_lclformwidth: JfieldID=nil;
javaField_lclformheight: JfieldID=nil;
javaField_lclscreenwidth: JfieldID=nil;
javaField_lclscreenheight: JfieldID=nil;
// For LazDeviceAPIs
javaField_lcldestination: JfieldID=nil;
javaField_lclkind: JfieldID=nil;
// Methods of our Activity
javaMethod_LCLDoGetTextBounds: jmethodid = nil;
javaMethod_LCLDoGetTextPartialWidths: jmethodid = nil;
javaMethod_LCLDoDrawText: jmethodid = nil;
javaMethod_LCLDoShowMessageBox: jmethodid = nil;
javaMethod_LCLDoCreateTimer: jmethodid = nil;
javaMethod_LCLDoDestroyTimer: jmethodid = nil;
javaMethod_LCLDoHideVirtualKeyboard: jmethodid = nil;
javaMethod_LCLDoShowVirtualKeyboard: jmethodid = nil;
javaMethod_LCLDoStartReadingAccelerometer: jmethodid = nil;
javaMethod_LCLDoStopReadingAccelerometer: jmethodid = nil;
javaMethod_LCLDoSendMessage: jmethodid = nil;
javaMethod_LCLDoRequestPositionInfo: jmethodid = nil;
// Methods from android.app.Activity
javaMethod_Activity_finish: jmethodid = nil;
// Methods from java.lang.System
javaMethod_System_exit: jmethodid = nil;
// Generic methods from Context
javaMethod_getSystemService: jmethodid = nil;
// This is utilized to store the information such as invalidate requests in events
eventResult: jint;
{$endif}
implementation
uses
WsControls, lclintf,
CustomDrawnWSFactory,
CustomDrawnWSForms,
{ Win32WSButtons,
Win32WSMenus,
Win32WSStdCtrls,
Win32WSDialogs,
Win32Themes,
////////////////////////////////////////////////////
Win32Extra,}
customdrawnprivate,
LCLMessageGlue;
{$ifdef CD_Windows}
const
CDBackendNativeHandle = nhtWindowsHWND;
{$define CD_HasNativeFormHandle}
{$endif}
{$ifdef CD_X11}
const
CDBackendNativeHandle = nhtX11TWindow;
{$define CD_HasNativeFormHandle}
{$endif}
{$ifdef CD_Cocoa}
const
CDBackendNativeHandle = nhtCocoaNSWindow;
{$define CD_HasNativeFormHandle}
{$endif}
{ TLazCDCustomFont }
constructor TLazCDCustomFont.Create;
begin
inherited Create;
{$ifndef CD_UseNativeText}
FTFont := TFreeTypeFont.Create;
{$endif}
end;
destructor TLazCDCustomFont.Destroy;
begin
{$ifndef CD_UseNativeText}
FTFont.Free;
{$endif}
inherited Destroy;
end;
{$I customdrawnobject.inc}
{$I customdrawnwinapi.inc}
{$I customdrawnlclintf.inc}
{$ifdef CD_Windows}
{$include wincallback.inc}
{$I customdrawnobject_win.inc}
{$I customdrawnwinapi_win.inc}
{$I customdrawnlclintf_win.inc}
{$endif}
{$ifdef CD_Cocoa}
{$I customdrawnobject_cocoa.inc}
{$I customdrawnwinapi_cocoa.inc}
{$I customdrawnlclintf_cocoa.inc}
{$endif}
{$ifdef CD_X11}
{$I customdrawnobject_x11.inc}
{$I customdrawnwinapi_x11.inc}
{$I customdrawnlclintf_x11.inc}
{$endif}
{$ifdef CD_Android}
{$I customdrawnobject_android.inc}
{$I customdrawnwinapi_android.inc}
{$I customdrawnlclintf_android.inc}
{$endif}
end.