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83ab7d86ea
lazarus/lcl/interfaces/gtk/gtkint.pp
lazarus 83ab7d86ea MG: impoved focussing, unfocussing on destroy and fixed unit search 
git-svn-id: trunk@1227 -
2002-02-09 01:48:08 +00:00

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{
/***************************************************************************
GTKINT.pp - GTKInterface Object
-------------------
Initial Revision : Thu July 1st CST 1999
***************************************************************************/
*****************************************************************************
* *
* This file is part of the Lazarus Component Library (LCL) *
* *
* See the file COPYING.LCL, included in this distribution, *
* for details about the copyright. *
* *
* 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. *
* *
*****************************************************************************
}
unit GtkInt;
{$mode objfpc}
{$LONGSTRINGS ON}
interface
{$ifdef Trace}
{$ASSERTIONS ON}
{$endif}
{ $DEFINE VerboseMouseBugfix}
{ $DEFINE RaiseExceptionOnNilPointers}
{$IFDEF win32}
{$DEFINE NoGdkPixbufLib}
{$ELSE}
{off $DEFINE NoGdkPixbufLib}
{$ENDIF}
{off $Define Critical_Sections_Support}
{off $Define Disable_GC_SysColors}
uses
InterfaceBase, {$Ifndef NoGdkPixbufLib}gdkpixbuf,{$EndIf} gtk, gdk,
glib, SysUtils, LMessages, Classes, Controls, Forms, VclGlobals,
LCLLinux, LCLType, gtkDef, DynHashArray, LazQueue, GraphType,
GraphMath;
type
TgtkObject = class(TInterfaceBase)
protected
FKeyStateList: TList; // Keeps track of which keys are pressed
FDeviceContexts: TDynHashArray;// hasharray of HDC
FGDIObjects: TDynHashArray; // hasharray of PGdiObject
FMessageQueue: TLazQueue; // queue of PMsg
FPaintMessages: TDynHashArray; // hasharray of PLazQueueItem
FRCFilename: string;
FRCFileParsed: boolean;
FWidgetsWithResizeRequest: TDynHashArray; // hasharray of PGtkWidget
FGTKToolTips: PGtkToolTips;
FDefaultFont : PGdkFont;
FNoteBookCloseBtnPixmapImg: PGdkPixmap;
FNoteBookCloseBtnPixmapMask: PGdkPixmap;
FStockNullBrush: HBRUSH;
FStockBlackBrush: HBRUSH;
FStockLtGrayBrush: HBRUSH;
FStockGrayBrush: HBRUSH;
FStockDkGrayBrush: HBRUSH;
FStockWhiteBrush: HBRUSH;
FStockNullPen: HPEN;
FStockBlackPen: HPEN;
FStockWhitePen: HPEN;
FStockSystemFont : HFONT;
Function CreateSystemFont : hFont;
procedure InitStockItems; virtual;
procedure FreeStockItems; virtual;
Procedure FinishComponentCreate(Sender : TObject; Handle : Pointer;
SetupProps : Boolean); Virtual;
Function GetCaption(Sender : TObject) : String; Virtual;
Function GetCompStyle(Sender : TObject) : Longint; Virtual;
Procedure HookSignals(Sender : TObject); virtual; //hooks all signals for controls
function CreateAPIWidget(AWinControl: TWinControl): PGtkWidget;
procedure CreateComponent(Sender : TObject);virtual;
procedure DestroyLCLControl(Sender : TObject);virtual;
procedure AddChild(Parent,Child : Pointer; Left,Top: Integer);virtual;
procedure ResizeChild(Sender : TObject; Left,Top,Width,Height : Integer);virtual;
procedure AssignSelf(Child ,Data : Pointer);virtual;
procedure ReDraw(Child : Pointer);virtual;
procedure SetClipboardWidget(TargetWidget: PGtkWidget);virtual;
// device contexts
function IsValidDC(const DC: HDC): Boolean;virtual;
function NewDC: TDeviceContext;virtual;
procedure DisposeDC(aDC: TDeviceContext);virtual;
function CreateDCForWidget(TheWidget: PGtkWidget; TheWindow: PGdkWindow): HDC;
// GDIObjects
function IsValidGDIObject(const GDIObject: HGDIOBJ): Boolean;virtual;
function IsValidGDIObjectType(const GDIObject: HGDIOBJ;
const GDIType: TGDIType): Boolean;virtual;
function NewGDIObject(const GDIType: TGDIType): PGdiObject;virtual;
procedure DisposeGDIObject(GdiObject: PGdiObject);virtual;
procedure SelectGDKBrushProps(DC: HDC);virtual;
procedure SelectGDKTextProps(DC: HDC);virtual;
procedure SelectGDKPenProps(DC: HDC);virtual;
function CreateDefaultBrush: PGdiObject;virtual;
function CreateDefaultFont: PGdiObject;virtual;
function CreateDefaultPen: PGdiObject;virtual;
procedure UpdateDCTextMetric(DC: TDeviceContext);
// images
procedure LoadXPMFromLazResource(const ResourceName: string;
Window: PGdkWindow; var PixmapImg, PixmapMask: PGdkPixmap);virtual;
procedure LoadFromXPMFile(Bitmap: TObject; Filename: PChar);virtual;
procedure LoadFromPixbufFile(Bitmap: TObject; Filename: PChar);virtual;
procedure LoadFromPixbufData(Bitmap : hBitmap; Data : PByte);virtual;
function InternalGetDIBits(DC: HDC; Bitmap: HBitmap; StartScan, NumScans: UINT;
BitSize : Longint; Bits: Pointer; var BitInfo: BitmapInfo; Usage: UINT; DIB : Boolean): Integer;virtual;
procedure SetRCFilename(const AValue: string);virtual;
procedure ParseRCFile;virtual;
procedure ShowHide(Sender : TObject);virtual;
procedure GetNoteBookCloseBtnPixmap(Window: PGdkWindow;
var Img, Mask: PGdkPixmap);virtual;
procedure AddDummyNoteBookPage(NoteBookWidget: PGtkNoteBook);virtual;
procedure RemoveDummyNoteBookPage(NoteBookWidget: PGtkNotebook);virtual;
procedure UpdateNotebookPageTab(ANoteBook, APage: TObject);virtual;
procedure AddNBPage(ANoteBook, APage: TObject; Index: Integer);virtual;
procedure RemoveNBPage(ANoteBook: TObject; Index: Integer);virtual;
procedure MoveNBPage(ANoteBook, APage: TObject; NewIndex: Integer);virtual;
procedure SetText(Child,Data : Pointer);virtual;
procedure SetColor(Sender : TObject);virtual;
Procedure SetPixel(Sender : TObject; Data : Pointer);virtual;
Procedure GetPixel(Sender : TObject; Data : Pointer);virtual;
function GetValue(Sender : TObject; Data : pointer) : integer;virtual;
function SetValue(Sender : TObject; Data : pointer) : integer;virtual;
function SetProperties (Sender: TObject) : integer;virtual;
procedure AttachMenu(Sender: TObject);virtual;
procedure SetColorDialogColor(ColorSelection: PGtkColorSelection;
Color: TColor);virtual;
procedure WordWrap(DC: HDC; AText: PChar; MaxWidthInPixel: integer;
var Lines: PPChar; var LineCount: integer);
function ForceLineBreaks(DC : hDC; Src: PChar; MaxWidthInPixels : Longint;
ProcessAmpersands : Boolean) : PChar;
function HashPaintMessage(p: pointer): integer;virtual;
function FindPaintMessage(HandleWnd: HWnd): PLazQueueItem;virtual;
procedure SetResizeRequest(Widget: PGtkWidget);virtual;
procedure UnsetResizeRequest(Widget: PGtkWidget);virtual;
procedure SetWindowSizeAndPosition(Window: PGtkWindow;
AWinControl: TWinControl);virtual;
function LCLtoGtkMessagePending: boolean;virtual;
procedure SendCachedGtkMessages;virtual;
procedure SendPaintMessagesForInternalWidgets(AWinControl: TWinControl);
procedure SetCallback(Msg : LongInt; Sender : TObject); override;
procedure RemoveCallbacks(Sender : TObject); override;
public
constructor Create;
destructor Destroy; override;
function GetText(Sender: TComponent; var Text: String): Boolean; override;
procedure SetLabel(Sender : TObject; Data : Pointer); virtual;
function IntSendMessage3(LM_Message : Integer; Sender : TObject;
data : pointer) : integer; override;
procedure HandleEvents; override;
procedure WaitMessage; override;
procedure SendCachedLCLMessages; override;
procedure AppTerminate; override;
procedure Init; override;
function UpdateHint(Sender: TObject): Integer; override;
function RecreateWnd(Sender: TObject): Integer; override;
{$I gtkwinapih.inc}
property RCFilename: string read FRCFilename write SetRCFilename;
end;
{$I gtklistslh.inc}
implementation
uses
Graphics, Buttons, Menus, GTKWinApiWindow, StdCtrls, ComCtrls, CListBox,
KeyMap, Calendar, Arrow, Spin, CommCtrl, ExtCtrls, Dialogs, FileCtrl,
LResources, Math, gtkglobals, gtkproc;
{$I gtklistsl.inc}
{$I gtkobject.inc}
{$I gtkwinapi.inc}
procedure InternalInit;
var c: TClipboardType;
begin
gtk_handler_quark := g_quark_from_static_string('gtk-signal-handlers');
MouseCaptureWidget := nil;
MouseCapureByLCL := false;
LastLeft:=EmptyLastMouseClick;
LastMiddle:=EmptyLastMouseClick;
LastRight:=EmptyLastMouseClick;
FOldTimerData:=TList.Create;
// clipboard
ClipboardSelectionData:=TList.Create;
for c:=Low(TClipboardType) to High(TClipboardType) do begin
ClipboardTypeAtoms[c]:=0;
ClipboardHandler[c]:=nil;
//ClipboardIgnoreLossCount[c]:=0;
ClipboardTargetEntries[c]:=nil;
ClipboardTargetEntryCnt[c]:=0;
end;
InitDesignSignalMasks;
end;
procedure InternalFinal;
var i: integer;
t: PGtkITimerinfo;
ced: PClipboardEventData;
c: TClipboardType;
begin
// timer
for i:=0 to FOldTimerData.Count-1 do begin
t:=PGtkITimerinfo(FOldTimerData[i]);
dispose(t);
end;
FOldTimerData.Free;
FOldTimerData:=nil;
// clipboard
for i:=0 to ClipboardSelectionData.Count-1 do begin
ced:=PClipboardEventData(ClipboardSelectionData[i]);
if ced^.Data.Data<>nil then FreeMem(ced^.Data.Data);
Dispose(ced);
end;
for c:=Low(TClipboardType) to High(TClipboardType) do
FreeClipboardTargetEntries(c);
ClipboardSelectionData.Free;
ClipboardSelectionData:=nil;
end;
initialization
//writeln('gtkint.pp - initialization');
{$I gtkimages.lrs}
InternalInit;
finalization
InternalFinal;
end.
{ =============================================================================
$Log$
Revision 1.96 2002/10/28 18:17:02 lazarus
MG: impoved focussing, unfocussing on destroy and fixed unit search
Revision 1.95 2002/10/26 15:15:50 lazarus
MG: broke LCL<->interface circles
Revision 1.94 2002/10/24 22:10:39 lazarus
AJ: More changes for better code reuse between gnome & gtk interfaces
Revision 1.93 2002/10/21 03:23:35 lazarus
AJ: rearranged GTK init stuff for proper GNOME init & less duplication between interfaces
Revision 1.92 2002/10/20 21:49:10 lazarus
MG: fixes for fpc1.1
Revision 1.91 2002/10/17 21:00:17 lazarus
MG: fixed uncapturing of mouse
Revision 1.90 2002/10/15 22:28:05 lazarus
AJ: added forcelinebreaks
Revision 1.89 2002/10/15 07:01:29 lazarus
MG: fixed timer checking
Revision 1.88 2002/10/14 19:00:49 lazarus
MG: fixed zombie timers
Revision 1.87 2002/10/14 14:29:50 lazarus
AJ: Improvements to TUpDown; Added TStaticText & GNOME DrawText
Revision 1.86 2002/10/10 19:43:16 lazarus
MG: accelerated GetTextMetrics
Revision 1.85 2002/10/10 08:51:13 lazarus
MG: added paint messages for some gtk internal widgets
Revision 1.84 2002/10/08 23:44:00 lazarus
AJ: started GNOME interface & modified gtk interface so everything is public/protected
Revision 1.83 2002/10/08 13:42:23 lazarus
MG: added TDevContextColorType
Revision 1.82 2002/10/07 20:50:58 lazarus
MG: accelerated SelectGDKPenProps
Revision 1.81 2002/10/06 17:55:45 lazarus
MG: JITForms now sets csDesigning before creation
Revision 1.80 2002/10/03 18:04:46 lazarus
MG: started customdrawitem
Revision 1.79 2002/10/03 14:47:31 lazarus
MG: added TComboBox.OnPopup+OnCloseUp+ItemWidth
Revision 1.78 2002/10/01 10:12:34 lazarus
MG: added SendCachedLCLMessages to interfacebase for wysiwyg
Revision 1.77 2002/10/01 10:05:48 lazarus
MG: changed PDeviceContext into class TDeviceContext
Revision 1.76 2002/09/19 16:45:54 lazarus
MG: fixed Menu.Free and gdkwindow=nil bug
Revision 1.75 2002/09/18 17:07:28 lazarus
MG: added patch from Andrew
Revision 1.74 2002/09/16 15:56:01 lazarus
Resize cursors in designer.
Revision 1.73 2002/09/12 05:56:16 lazarus
MG: gradient fill, minor issues from Andrew
Revision 1.72 2002/09/10 06:49:20 lazarus
MG: scrollingwincontrol from Andrew
Revision 1.71 2002/09/06 22:32:21 lazarus
Enabled cursor property + property editor.
Revision 1.70 2002/09/05 12:11:44 lazarus
MG: TNotebook is now streamable
Revision 1.69 2002/09/03 08:07:20 lazarus
MG: image support, TScrollBox, and many other things from Andrew
Revision 1.68 2002/09/02 19:10:28 lazarus
MG: TNoteBook now starts with no Page and TPage has no auto names
Revision 1.67 2002/09/01 16:11:22 lazarus
MG: double, triple and quad clicks now works
Revision 1.66 2002/08/28 09:40:49 lazarus
MG: reduced paint messages and DC getting/releasing
Revision 1.65 2002/08/27 06:40:50 lazarus
MG: ShortCut support for buttons from Andrew
Revision 1.64 2002/08/22 16:43:35 lazarus
MG: improved theme support from Andrew
Revision 1.63 2002/08/21 14:06:40 lazarus
MG: added TDeviceContextMemManager
Revision 1.62 2002/08/21 08:13:37 lazarus
MG: accelerated new/dispose of gdiobjects
Revision 1.61 2002/08/19 20:34:48 lazarus
MG: improved Clipping, TextOut, Polygon functions
Revision 1.60 2002/08/19 18:00:02 lazarus
MG: design signals for gtk internal widgets
Revision 1.59 2002/08/17 15:45:33 lazarus
MG: removed ClientRectBugfix defines
Revision 1.58 2002/08/15 15:46:49 lazarus
MG: added changes from Andrew (Clipping)
Revision 1.57 2002/08/15 13:37:57 lazarus
MG: started menuitem icon, checked, radio and groupindex
Revision 1.56 2002/08/13 07:08:24 lazarus
MG: added gdkpixbuf.pp and changes from Andrew Johnson
Revision 1.55 2002/08/08 18:05:46 lazarus
MG: added graphics extensions from Andrew Johnson
Revision 1.54 2002/08/05 10:45:04 lazarus
MG: TMenuItem.Caption can now be set after creation
Revision 1.53 2002/07/20 13:47:03 lazarus
MG: fixed eventmask for realized windows
Revision 1.52 2002/06/26 15:11:09 lazarus
MG: added new tool: Guess misplaced $IFDEF/$ENDIF
Revision 1.51 2002/06/21 16:59:15 lazarus
MG: TControl.Cursor is now set, reduced auto reaction of widgets in design mode
Revision 1.50 2002/06/11 13:41:10 lazarus
MG: fixed mouse coords and fixed mouse clicked thru bug
Revision 1.49 2002/06/09 07:08:43 lazarus
MG: fixed window jumping
Revision 1.48 2002/06/08 17:16:04 lazarus
MG: added close buttons and images to TNoteBook and close buttons to source editor
Revision 1.47 2002/06/07 06:40:18 lazarus
MG: gtk HandleEvents will now process all pending events
Revision 1.46 2002/06/06 07:23:24 lazarus
MG: small fixes to reduce form repositioing
Revision 1.45 2002/05/30 14:11:12 lazarus
MG: added filters and history to TOpenDialog
Revision 1.44 2002/05/29 21:44:38 lazarus
MG: improved TCommon/File/OpenDialog, fixed TListView scrolling and broder
Revision 1.43 2002/05/28 19:39:45 lazarus
MG: added gtk rc file support and started stule dependent syscolors
Revision 1.42 2002/05/28 14:58:30 lazarus
MG: added scrollbars for TListView
Revision 1.41 2002/05/20 14:19:03 lazarus
MG: activated the clientrect bugfixes
Revision 1.40 2002/05/13 14:47:01 lazarus
MG: fixed client rectangles, TRadioGroup, RecreateWnd
Revision 1.39 2002/05/12 04:56:20 lazarus
MG: client rect bugs nearly completed
Revision 1.38 2002/05/10 06:05:56 lazarus
MG: changed license to LGPL
Revision 1.37 2002/05/09 12:41:29 lazarus
MG: further clientrect bugfixes
Revision 1.36 2002/05/06 08:50:36 lazarus
MG: replaced logo, increased version to 0.8.3a and some clientrectbugfix
Revision 1.35 2002/03/31 22:01:38 lazarus
MG: fixed unreleased/unpressed Ctrl/Alt/Shift
Revision 1.34 2002/03/29 19:11:38 lazarus
Added Triple Click
Shane
Revision 1.33 2002/03/27 00:33:54 lazarus
MWE:
* Cleanup in lmessages
* Added Listview selection and notification events
+ introduced commctrl
Revision 1.32 2002/03/25 17:59:20 lazarus
GTK Cleanup
Shane
Revision 1.31 2002/03/14 20:28:49 lazarus
Bug fix for Mattias.
Fixed spinedit so you can now get the value and set the value.
Shane
Revision 1.30 2002/02/25 18:46:06 lazarus
MG: fixed nested record parsing
Revision 1.29 2002/02/25 16:48:13 lazarus
MG: new IDE window layout system
Revision 1.28 2002/02/20 19:11:48 lazarus
Minor tweaks, default font caching.
Revision 1.27 2002/02/18 22:46:11 lazarus
Implented TMenuItem.ShortCut (not much tested).
Revision 1.26 2002/02/03 00:24:01 lazarus
TPanel implemented.
Basic graphic primitives split into GraphType package, so that we can
reference it from interface (GTK, Win32) units.
New Frame3d canvas method that uses native (themed) drawing (GTK only).
New overloaded Canvas.TextRect method.
LCLLinux and Graphics was split, so a bunch of files had to be modified.
Revision 1.25 2001/12/06 13:39:36 lazarus
Added TArrow component
Shane
Revision 1.24 2001/12/05 17:23:45 lazarus
Added Calendar component
Shane
Revision 1.23 2001/11/13 18:50:10 lazarus
Changes to facilitate the toggle between form and unit
Shane
Revision 1.22 2001/11/12 16:56:08 lazarus
MG: CLIPBOARD
Revision 1.21 2001/10/08 08:05:08 lazarus
MG: fixed TColorDialog set color
Revision 1.20 2001/10/07 07:28:33 lazarus
MG: fixed setpixel and TCustomForm.OnResize event
Revision 1.19 2001/09/30 08:34:51 lazarus
MG: fixed mem leaks and fixed range check errors
Revision 1.18 2001/07/01 23:33:13 lazarus
MG: added WaitMessage and HandleEvents is now non blocking
Revision 1.17 2001/06/26 21:44:32 lazarus
MG: reduced paint messages
Revision 1.15 2001/06/14 14:57:59 lazarus
MG: small bugfixes and less notes
Revision 1.14 2001/06/04 07:50:42 lazarus
MG: close application object in gtkint.pp
Revision 1.13 2001/04/06 22:25:14 lazarus
* TTimer uses winapi-interface now instead of sendmessage-interface, stoppok
Revision 1.12 2001/03/27 21:12:54 lazarus
MWE:
+ Turned on longstrings
+ modified memotest to add lines
Revision 1.11 2001/03/19 18:51:57 lazarus
MG: added dynhasharray and renamed tsynautocompletion
Revision 1.10 2001/03/19 14:44:22 lazarus
MG: fixed many unreleased DC and GDIObj bugs
Revision 1.7 2001/02/20 16:53:27 lazarus
Changes for wordcompletion and many other things from Mattias.
Shane
Revision 1.6 2001/02/06 18:19:38 lazarus
Shane
Revision 1.5 2001/02/01 19:34:50 lazarus
TScrollbar created and a lot of code added.
It's cose to working.
Shane
Revision 1.4 2001/01/24 23:26:40 lazarus
MWE:
= moved some types to gtkdef
+ added WinWidgetInfo
+ added some initialization to Application.Create
Revision 1.3 2001/01/23 23:33:55 lazarus
MWE:
- Removed old LM_InvalidateRect
- did some cleanup in old code
+ added some comments on gtkobject data (gtkproc)
Revision 1.2 2000/07/30 21:48:33 lazarus
MWE:
= Moved ObjectToGTKObject to GTKProc unit
* Fixed array checking in LoadPixmap
= Moved LM_SETENABLED to API func EnableWindow and EnableMenuItem
~ Some cleanup
Revision 1.1 2000/07/13 10:28:29 michael
+ Initial import
}
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