/
ResourceDlgItem.prg
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/
ResourceDlgItem.prg
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//
// Copyright (c) XSharp B.V. All Rights Reserved.
// Licensed under the Apache License, Version 2.0.
// See License.txt in the project root for license information.
//
// ResourceDlgItem.prg
// This class contains the code to read a native dialog item from a dialog resource
// There are 2 versionf of the DLGITEMTEMPLATE struct
// The structures are copied from the WIN32 API Lib
USING System.Runtime.InteropServices
USING System.Text
USING System.Diagnostics
[DebuggerDisplay("ID: {ControlID}, Caption: {Caption}, Class: {Class}, X,Y: {X},{Y} ")];
CLASS ResourceDialogItem INHERIT ResourceReader
PROPERTY Caption AS STRING AUTO
PROPERTY ClassID AS LONG AUTO
PROPERTY ClassName AS STRING AUTO
PROPERTY ControlID AS WORD AUTO
PROPERTY X AS LONG AUTO
PROPERTY Y AS LONG AUTO
PROPERTY CX AS LONG AUTO
PROPERTY CY AS LONG AUTO
PROPERTY Style AS LONG AUTO
PROPERTY ExStyle AS LONG AUTO
PROPERTY HelpID AS DWORD AUTO
PROPERTY TabIndex AS LONG AUTO
// typedef struct {
// DWORD helpID;
// DWORD exStyle;
// DWORD style;
// short x;
// short y;
// short cx;
// short cy;
// WORD id;
// sz_Or_Ord windowClass; // name or ordinal of a window class
// sz_Or_Ord title; // title string or ordinal of a resource
// WORD extraCount; // bytes of following creation data
// } DLGITEMTEMPLATEEX;
//typedef struct {
// DWORD style;
// DWORD dwExtendedStyle;
// short x;
// short y;
// short cx;
// short cy;
// WORD id;
//} DLGITEMTEMPLATE;
PROPERTY @@Class AS STRING GET iif(String.IsNullOrEmpty(ClassName), ClassID:ToString("X4"), ClassName)
PROPERTY WindowClassName AS STRING
GET
IF !String.IsNullOrEmpty(SELF:ClassName)
RETURN SELF:ClassName
ENDIF
DO CASE
CASE ClassID == 0x80 // Button
RETURN "Button"
CASE ClassID == 0x81 // Edit
RETURN "Edit"
CASE ClassID == 0x82 // Static
RETURN "Static"
CASE ClassID == 0x83 // Listbox
RETURN "ListBox"
CASE ClassID == 0x84 // Scrollbar
RETURN "ScrollBar"
CASE ClassID == 0x85 // Combobox
RETURN "ComboBox"
OTHERWISE
RETURN "Static"
ENDCASE
END GET
END PROPERTY
PROPERTY IsComboBox AS LOGIC
GET
RETURN ClassID == 0x85 .or. String.Compare(SELF:ClassName, "COMBOBOX", TRUE) == 0
END GET
END PROPERTY
ACCESS Origin as Point
RETURN Point{SELF:X, SELF:Y}
ACCESS Size as Dimension
RETURN Dimension{SELF:CX, SELF:CY}
METHOD ReadEx(pWord AS WORD PTR) AS WORD PTR
LOCAL pItemEx AS winDLGITEMTEMPLATEEx
// Align on DWORD boundary
IF ((DWORD) pWord) % 4 != 0
pWord += 1
ENDIF
pItemEx := ( winDLGITEMTEMPLATEEx PTR) pWord
SELF:HelpID := pItemEx:helpID
SELF:X := pItemEx:x
SELF:Y := pItemEx:y
SELF:CX := pItemEx:cx
SELF:CY := pItemEx:cy
SELF:Style := pItemEx:style
SELF:ExStyle:= pItemEx:dwExtendedStyle
SELF:ControlID := pItemEx:id
pWord += sizeof(winDLGITEMTEMPLATEEx) / SIZEOF(WORD)
// Align on DWORD boundary
IF ((DWORD) pWord) % 4 != 0
pWord += 1
ENDIF
pWord := SELF:ReadExtraInfo(pWord)
RETURN pWord
METHOD Read(pWord AS WORD PTR) AS WORD PTR
LOCAL pItem AS winDLGITEMTEMPLATE
// Align on DWORD boundary
IF ((DWORD) pWord) % 4 != 0
pWord += 1
ENDIF
pItem := ( winDLGITEMTEMPLATE PTR) pWord
SELF:X := pItem:x
SELF:Y := pItem:y
SELF:CX := pItem:cx
SELF:CY := pItem:cy
SELF:Style := pItem:style
SELF:ExStyle := pItem:dwExtendedStyle
SELF:ControlID := pItem:id
pWord += sizeof(winDLGITEMTEMPLATE) / SIZEOF(WORD)
pWord := SELF:ReadExtraInfo(pWord)
RETURN pWord
METHOD ReadExtraInfo(pWord as WORD PTR) AS WORD PTR
// Class as Sz_Or_Ord:
// If the first element is 0xFFFF,
// the array has one additional element that specifies the ordinal value of a predefined system class.
// If the first element of this array is any value other than 0xFFFF, the system treats the array as
// a null-terminated Unicode string that specifies the name of a registered window class
LOCAL uiSize AS DWORD
IF pWord[1] == 0XFFFF
SELF:ClassID := pWord[2]
pWord += 2
ELSE
SELF:ClassName := ReadText(pWord)
pWord += SELF:ClassName:Length+1
ENDIF
// Class as Sz_Or_Ord:
// If the first element of this array is 0xFFFF, the array has one additional element that
// specifies the ordinal value of a resource, such as an icon, in an executable file.
// f the first element is any value other than 0xFFFF, the system treats the array as a
// null-terminated Unicode string that specifies the initial text.
IF pWord[1] == 0
SELF:Caption := ""
pWord += 1
ELSE
SELF:Caption := ReadText(pWord)
pWord += SELF:Caption:Length+1
ENDIF
// ExtraCount
uiSize := (DWORD) pWord[1]
pWord += 1
IF uiSize != 0
pWord += (uiSize/2)
ENDIF
RETURN pWord
END CLASS
INTERNAL VOSTRUCT winDLGITEMTEMPLATEEx ALIGN 2
MEMBER helpID AS DWORD
MEMBER dwExtendedStyle AS LONG
MEMBER style AS LONG
MEMBER x AS SHORTINT
MEMBER y AS SHORTINT
MEMBER cx AS SHORTINT
MEMBER cy AS SHORTINT
MEMBER id AS WORD
INTERNAL VOSTRUCT winDLGITEMTEMPLATE ALIGN 2
MEMBER style AS LONG
MEMBER dwExtendedStyle AS LONG
MEMBER x AS SHORTINT
MEMBER y AS SHORTINT
MEMBER cx AS SHORTINT
MEMBER cy AS SHORTINT
MEMBER id AS WORD