Unit rImprovedComps

DescriptionUsesClasses, Interfaces, Objects and RecordsFunctions and ProceduresTypesConstantsVariables

Description

rImprovedComps is set of enhanced components, usually introducing many new functions and fixing some bugs (eg. high DPI): TrGroupBox, TrImageEx, TrMemoEx, TrComboBoxEx, TrButton, TrStringsHolder, TrEditDate, TrEditNum, TrImageListEx, TrTabControlEx + TrPageControlEx.

TrListBox, TrColorBox, TrColorListBox, TrCheckListBox - fix for high DPI

TrGroupBox - provide new type of groupbox with following functions: - headline caption with definable colors and possition; - 4 types of frames with definable colors; - min max buttons with automatical and animated functions; - gradient background or background image; - support dropping of files to box; - support automatic resizing of children components

TrImageEx - enhanced TImage with following functions: - bound label with definable possition; - drawing support for basic shapes (rect, elipse, halfelipse)

TrMemoEx - enhanced Memo component which provides highlighting of words in text according list of words or highlighting of text between start and stop tag

TrComboBoxEx - enhanced ComboBox component which provides automatic setting of dropdown listbox width according length of items text, multicolumn dropdown, and internal timer for delayed event after editing

TrButton - enhaced TButton with following functions: - new property ImagesDisabled which is used for disable state of button instead of DisableImageIndex, so the same image list as for toolbar and menus can be used

TrStringsHolder - non visual component containing Strings object for editing in design time and storing in application

TrEditDate - enhanced TEdit component which provides functionality for editing of date value

TrEditNum - enhanced TEdit component which provides functionality for editing of integer or float number

TrImageListEx - enhanced ImageList component which provides storing of images in external compressed resource file in design and runtime and can block storing images in DFM file for descendant modules, so list can be used in ihnerited forms

TrTabControlEx + TrPageControlEx - enhanced TabControl and PageControl - provides colored tabs, hottrack fonts, color and border; - close button in tabs; - function for reading active tab caption and changing of active tab - supports Themes, use rStyleHooks unit to add Styles support for XE2 and higher

Updated version compatible with Delphi2010+ and 64bit platform. Splash screen in demo version.

Overview

Classes, Interfaces, Objects and Records

Name Description
Class TrListBox TrListBox - enhaced TListBox with high DPI bug fix
Class TrColorBox TrColorBox - enhaced TColorBox with high DPI bug fix
Class TrColorListBox TrColorListBox - enhaced TColorListBox with high DPI bug fix
Class TrCheckListBox TrCheckListBox - enhaced TCheckListBox with high DPI bug fix
Class TrStatusBar TrCheckListBox - enhaced TCheckListBox with high DPI bug fix
Class TrToolBar  
Class TAutoResizePos subcomponent for autosize functionality for the rGroupBox inside parent rGroupBox; parent AutoResizeChild property define columns and rows matrix, AutoResizePos properties define possition of child rGroupBox
Class TAutoResizeChild subcomponent for autosize functionality of child components; 1/ rGroupBox child controls are resized according AutoResizePos properties of child control; 2/ other child controls are resized according AutoResizeChild.ChildCompsPos property
Class TrGroupBox enhanced GroupBox supporting new frame, caption, gradient and minimalize buttons
Class TBoundLabel Label subcomponent used by other TrImageEx
Class TrImageEx enhaced TImage supporting label and drawing of shapes
Class TrMemoEx enhanced Memo component which provides highlighting of words in text according list of words or highlighting of text between start and stop tag
Class TDisplayedItems dropdown items properties for rComboBoxEx and rDBComboBox
Class TrComboBoxEx enhanced ComboBox component which provides automatic setting of dropdown listbox width according length of items text
Class TrButton TrButton - enhaced TButton with ImagesDisabled property which is used for disable state of button instead of DisableImageIndex
Class TrEditDate enhanced TEdit component which provides functionality for editing of date value
Class TrEditNum enhanced TEdit component which provides functionality for editing of integer or float number
Class TrCheckTreeView enhanced TTreeView component which provides checkboxes and child/parent node auto check functions
Class TrStringsHolder non visual component containing Strings object for editing in design time and storing in application
Class TrImageListEx enhanced ImageList component which provides storing of images in external compressed resource file in design and runtime and can block storing images in DFM file for descendant modules, so list can be used in ihnerited forms
Class TTabPropsEx subcomponent defines all props and events for TrTabControlEx and TrPageControlEx
Class TrPageControlEx enhanced PageControl which provides colored tabs, hottrack fonts, color and border, close button in tabs, function for reading active tab caption and changing of active tab; OwnerDraw must be set to TRUE to use this functions
Class TrTabControlEx enhanced TabControl which provides colored tabs, hottrack fonts, color and border, close button in tabs, function for reading active tab caption and changing of active tab; OwnerDraw must be set to TRUE to use this functions
Class TrCategoryPanelEx fix the bug with subcomponents saved into DFM
Class TrCategoryPanelGroupEx fix the bug with subcomponents saved into DFM

Functions and Procedures

procedure Register;

Types

TMinMaxBtnType = (...);
TBackgroundPictureType = (...);
TCaptionPosition = (...);
TSetChildrenValueTypes = (...);
TDrawControl = procedure(WinControl: TWinControl; const Rect: TRect) of object;
TDropFilesEvent = procedure(Sender: TObject; X, Y: Integer) of object;
TShapeType = (...);
TLabelPos = (...);
TGetListItemProps = procedure(Sender: TObject; Canvas: TCanvas; Index: Integer; State: TOwnerDrawState; var Rect: TRect; var Text: string; ShowBmp: TBitmap; var DrawSeparatorTop: boolean; var DrawSeparatorBottom: boolean) of object;
enStyle = (...);
TTabGetPropsEvent = procedure(Sender: TObject; TabIndex: Integer; Font: TFont; var BkColor: TColor; var CanClose: boolean) of object;
TTabCloseEvent = procedure(Sender: TObject; TabIndex: Integer; var CanClose: boolean) of object;
TTabGetPopupMenu = procedure(Sender: TObject; TabIndex: Integer; var PopupMenu: TPopupMenu) of object;
TTabDrawTabEvent = procedure(Sender: TCustomTabControl; TabIndex: Integer; PaneRect, TabRect: TRect; BkColor: TColor; Selected, Hot, CloseBtn: boolean) of object;

Description

Functions and Procedures

procedure Register;
 

Types

TMinMaxBtnType = (...);

list of min max button types, used by TrGroupBox

Values
  • mmbNone:  
  • mmbRound:  
  • mmbRect:  
  • mmbPicture:  
TBackgroundPictureType = (...);

list of background picture types, used by TrGroupBox

Values
  • bkpNone:  
  • bkpCenter:  
  • bkpStretch:  
  • bkpTile:  
TCaptionPosition = (...);

list of caption possition types, used by TrGroupBox

Values
  • cpTop:  
  • cpBottom:  
  • cpLeft:  
  • cpRight:  
TSetChildrenValueTypes = (...);

list of actions use by procedure TrGroupBox.SetAllChildren

Values
  • chvSetVisibility:  
  • chvSetEnability:  
  • chvSetColor:  
  • chvSetDataSource:  
TDrawControl = procedure(WinControl: TWinControl; const Rect: TRect) of object;

event type used by TrGroupBox for custom drawing

TDropFilesEvent = procedure(Sender: TObject; X, Y: Integer) of object;

event type used by TrGroupBox for dropping of files

TShapeType = (...);

list of shape types

Values
  • stRect:  
  • stRoundRect:  
  • stElipse:  
  • stHalfElipseLeft:  
  • stHalfElipseTop:  
  • stHalfElipseRight:  
  • stHalfElipseBottom:  
TLabelPos = (...);

list of boundlabel positions

Values
  • lpInside:  
  • lpTopLeft:  
  • lpTopCenter:  
  • lpTopRight:  
  • lpBottomLeft:  
  • lpBottomCenter:  
  • lpBottomRight:  
TGetListItemProps = procedure(Sender: TObject; Canvas: TCanvas; Index: Integer; State: TOwnerDrawState; var Rect: TRect; var Text: string; ShowBmp: TBitmap; var DrawSeparatorTop: boolean; var DrawSeparatorBottom: boolean) of object;

============================================================================== TrComboBoxEx

enStyle = (...);

list of TrEditNum styles

Values
  • enInteger:  
  • enFloat:  
TTabGetPropsEvent = procedure(Sender: TObject; TabIndex: Integer; Font: TFont; var BkColor: TColor; var CanClose: boolean) of object;

event type used by TTabPropsEx

TTabCloseEvent = procedure(Sender: TObject; TabIndex: Integer; var CanClose: boolean) of object;

event type used by TTabPropsEx

TTabGetPopupMenu = procedure(Sender: TObject; TabIndex: Integer; var PopupMenu: TPopupMenu) of object;

event type used by TTabPropsEx

TTabDrawTabEvent = procedure(Sender: TCustomTabControl; TabIndex: Integer; PaneRect, TabRect: TRect; BkColor: TColor; Selected, Hot, CloseBtn: boolean) of object;

event type used by TTabPropsEx

Author

Created

Oct 2010

Last Modified

Apr 2017


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