1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
{ $Id: gtkwspairsplitter.pp 41387 2013-05-24 18:30:06Z juha $}
{
*****************************************************************************
* GtkWSPairSplitter.pp *
* -------------------- *
* *
* *
*****************************************************************************
*****************************************************************************
This file is part of the Lazarus Component Library (LCL)
See the file COPYING.modifiedLGPL.txt, included in this distribution,
for details about the license.
*****************************************************************************
}
unit GtkWSPairSplitter;
{$mode objfpc}{$H+}
interface
uses
{$IFDEF GTK2}
Gtk2, //Glib2, Gdk2,
{$ELSE}
Gtk, //Glib, Gdk,
{$ENDIF}
GtkWSPrivate, GtkInt, GtkDef, GtkProc, GtkWSControls,
Classes, Controls, LCLType, PairSplitter,
WSPairSplitter, WSLCLClasses, WSProc;
type
{ TGtkWSPairSplitterSide }
TGtkWSPairSplitterSide = class(TWSPairSplitterSide)
protected
class procedure SetCallbacks(const AGtkWidget: PGtkWidget; const AWidgetInfo: PWidgetInfo); virtual;
published
class function CreateHandle(const AWinControl: TWinControl; const AParams: TCreateParams): TLCLIntfHandle; override;
end;
{ TGtkWSCustomPairSplitter }
TGtkWSCustomPairSplitter = class(TWSCustomPairSplitter)
protected
class procedure SetCallbacks(const AGtkWidget: PGtkWidget; const AWidgetInfo: PWidgetInfo); virtual;
published
class function CreateHandle(const AWinControl: TWinControl; const AParams: TCreateParams): TLCLIntfHandle; override;
class function AddSide(ASplitter: TCustomPairSplitter; ASide: TPairSplitterSide; Side: integer): Boolean; override;
class function SetPosition(ASplitter: TCustomPairSplitter; var NewPosition: integer): Boolean; override;
// special cursor handling
class function GetSplitterCursor(ASplitter: TCustomPairSplitter; var ACursor: TCursor): Boolean; override;
class function SetSplitterCursor(ASplitter: TCustomPairSplitter; ACursor: TCursor): Boolean; override;
end;
implementation
{ TGtkWSCustomPairSplitter }
class procedure TGtkWSCustomPairSplitter.SetCallbacks(
const AGtkWidget: PGtkWidget; const AWidgetInfo: PWidgetInfo);
begin
TGtkWSWinControl.SetCallbacks(PGtkObject(AGtkWidget), TComponent(AWidgetInfo^.LCLObject));
end;
class function TGtkWSCustomPairSplitter.CreateHandle(
const AWinControl: TWinControl; const AParams: TCreateParams
): TLCLIntfHandle;
var
Widget: PGtkWidget;
WidgetInfo: PWidgetInfo;
begin
// create the paned
if TCustomPairSplitter(AWinControl).SplitterType = pstHorizontal then
Widget := gtk_hpaned_new
else
Widget := gtk_vpaned_new;
{$IFDEF DebugLCLComponents}
DebugGtkWidgets.MarkCreated(Widget, dbgsName(AWinControl));
{$ENDIF}
Result := TLCLIntfHandle(PtrUInt(Widget));
WidgetInfo := CreateWidgetInfo(Widget, AWinControl, AParams);
Set_RC_Name(AWinControl, Widget);
SetCallBacks(Widget, WidgetInfo);
end;
class function TGtkWSCustomPairSplitter.AddSide(ASplitter: TCustomPairSplitter;
ASide: TPairSplitterSide; Side: integer): Boolean;
begin
Result := False;
if not (WSCheckHandleAllocated(ASplitter, 'AddSide - splitter') and
WSCheckHandleAllocated(ASide, 'AddSide - side'))
then Exit;
if (Side<0) or (Side>1) then exit;
if Side = 0 then
gtk_paned_add1(PGtkPaned(ASplitter.Handle),PGtkWidget(ASide.Handle))
else
gtk_paned_add2(PGtkPaned(ASPlitter.Handle),PGtkWidget(ASide.Handle));
Result := True;
end;
class function TGtkWSCustomPairSplitter.SetPosition(
ASplitter: TCustomPairSplitter; var NewPosition: integer): Boolean;
begin
Result := False;
if not WSCheckHandleAllocated(ASplitter, 'SetPosition')
then Exit;
if NewPosition>=0 then
gtk_paned_set_position(PGtkPaned(ASplitter.Handle), NewPosition);
NewPosition := PGtkPaned(ASplitter.Handle)^.child1_size;
Result := True;
end;
class function TGtkWSCustomPairSplitter.GetSplitterCursor(
ASplitter: TCustomPairSplitter; var ACursor: TCursor): Boolean;
begin
Result := False;
end;
class function TGtkWSCustomPairSplitter.SetSplitterCursor(
ASplitter: TCustomPairSplitter; ACursor: TCursor): Boolean;
begin
Result := False;
end;
{ TGtkWSPairSplitterSide }
class procedure TGtkWSPairSplitterSide.SetCallbacks(
const AGtkWidget: PGtkWidget; const AWidgetInfo: PWidgetInfo);
begin
TGtkWSWinControl.SetCallbacks(PGtkObject(AGtkWidget), TComponent(AWidgetInfo^.LCLObject));
end;
class function TGtkWSPairSplitterSide.CreateHandle(
const AWinControl: TWinControl; const AParams: TCreateParams
): TLCLIntfHandle;
var
Widget: PGtkWidget;
WidgetInfo: PWidgetInfo;
begin
Widget := GtkWidgetset.CreateSimpleClientAreaWidget(AWinControl, True);
{$IFDEF DebugLCLComponents}
DebugGtkWidgets.MarkCreated(Widget, dbgsName(AWinControl));
{$ENDIF}
Result := TLCLIntfHandle(PtrUInt(Widget));
WidgetInfo := GetWidgetInfo(Widget);
WidgetInfo^.LCLObject := AWinControl;
WidgetInfo^.Style := AParams.Style;
WidgetInfo^.ExStyle := AParams.ExStyle;
WidgetInfo^.WndProc := PtrUInt(AParams.WindowClass.lpfnWndProc);
Set_RC_Name(AWinControl, Widget);
SetCallBacks(Widget, WidgetInfo);
end;
initialization
end.
|
