chemtext: Initial commit
git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@5958 8e941d3f-bd1b-0410-a28a-d453659cc2b4
This commit is contained in:
wp_xxyyzz
parent
146b28a4cc
commit
8094316fc5
81
components/chemtext/demo/chemdemo/chem.lpi
Normal file
81
components/chemtext/demo/chemdemo/chem.lpi
Normal file
@ -0,0 +1,81 @@
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||||
<?xml version="1.0" encoding="UTF-8"?>
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<CONFIG>
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||||
<ProjectOptions>
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||||
<Version Value="10"/>
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||||
<PathDelim Value="\"/>
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||||
<General>
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||||
<SessionStorage Value="InProjectDir"/>
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||||
<MainUnit Value="0"/>
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<Title Value="chem"/>
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<ResourceType Value="res"/>
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||||
<UseXPManifest Value="True"/>
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||||
<Icon Value="0"/>
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||||
</General>
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||||
<BuildModes Count="1">
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||||
<Item1 Name="Default" Default="True"/>
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</BuildModes>
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||||
<PublishOptions>
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||||
<Version Value="2"/>
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||||
</PublishOptions>
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||||
<RunParams>
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||||
<local>
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<FormatVersion Value="1"/>
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||||
</local>
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||||
</RunParams>
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||||
<RequiredPackages Count="2">
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<Item1>
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<PackageName Value="laz_chemtext"/>
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</Item1>
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<Item2>
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<PackageName Value="LCL"/>
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</Item2>
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</RequiredPackages>
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||||
<Units Count="2">
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<Unit0>
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<Filename Value="chem.lpr"/>
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<IsPartOfProject Value="True"/>
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</Unit0>
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<Unit1>
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<Filename Value="testchem.pas"/>
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<IsPartOfProject Value="True"/>
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<ComponentName Value="Form1"/>
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<HasResources Value="True"/>
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<ResourceBaseClass Value="Form"/>
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</Unit1>
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</Units>
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||||
</ProjectOptions>
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||||
<CompilerOptions>
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<Version Value="11"/>
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<PathDelim Value="\"/>
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<Target>
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<Filename Value="chem"/>
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</Target>
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<SearchPaths>
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<IncludeFiles Value="$(ProjOutDir)"/>
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<UnitOutputDirectory Value="lib\$(TargetCPU)-$(TargetOS)"/>
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</SearchPaths>
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<Linking>
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||||
<Debugging>
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<UseExternalDbgSyms Value="True"/>
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</Debugging>
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||||
<Options>
|
||||
<Win32>
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<GraphicApplication Value="True"/>
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</Win32>
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||||
</Options>
|
||||
</Linking>
|
||||
</CompilerOptions>
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||||
<Debugging>
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||||
<Exceptions Count="3">
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||||
<Item1>
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||||
<Name Value="EAbort"/>
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||||
</Item1>
|
||||
<Item2>
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<Name Value="ECodetoolError"/>
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</Item2>
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<Item3>
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<Name Value="EFOpenError"/>
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</Item3>
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</Exceptions>
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</Debugging>
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</CONFIG>
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17
components/chemtext/demo/chemdemo/chem.lpr
Normal file
17
components/chemtext/demo/chemdemo/chem.lpr
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@ -0,0 +1,17 @@
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program chem;
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{$mode objfpc}{$H+}
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uses
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Interfaces, // this includes the LCL widgetset
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Forms, testchem;
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{$R *.RES}
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begin
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RequireDerivedFormResource := True;
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Application.Initialize;
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Application.CreateForm(TForm1, Form1);
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Application.Run;
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end.
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139
components/chemtext/demo/chemdemo/testchem.lfm
Normal file
139
components/chemtext/demo/chemdemo/testchem.lfm
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@ -0,0 +1,139 @@
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object Form1: TForm1
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Left = 200
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Height = 280
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Top = 108
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Width = 399
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Caption = 'ChemLabel Demo'
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ClientHeight = 280
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ClientWidth = 399
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Font.Color = clWindowText
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Font.Height = -16
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Font.Name = 'Arial'
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Position = poScreenCenter
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LCLVersion = '1.9.0.0'
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object Panel1: TPanel
|
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Left = 16
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Height = 137
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Top = 8
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Width = 361
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||||
BevelOuter = bvNone
|
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BorderStyle = bsSingle
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||||
ClientHeight = 133
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ClientWidth = 357
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Color = clWhite
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||||
Font.Color = clWindowText
|
||||
Font.Height = -16
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Font.Name = 'Arial'
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ParentColor = False
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ParentFont = False
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TabOrder = 1
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object ChemLabel1: TChemLabel
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AnchorSideLeft.Control = Spacer
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AnchorSideLeft.Side = asrBottom
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Left = 187
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Height = 23
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Top = 40
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Width = 60
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Caption = 'C3H7OH'
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ParentColor = False
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end
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object ChemLabel2: TChemLabel
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AnchorSideLeft.Control = Spacer
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AnchorSideLeft.Side = asrBottom
|
||||
Left = 187
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Height = 23
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Top = 68
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Width = 121
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Arrow = caUTF8Single
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Caption = '2H2 + O2 -> H2O'
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ParentColor = False
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end
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object ChemLabel3: TChemLabel
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AnchorSideLeft.Control = Panel1
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AnchorSideLeft.Side = asrCenter
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Left = 110
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Height = 19
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Top = 8
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Width = 136
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Caption = 'Using ChemLabel'
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Font.Color = clNavy
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Font.Height = -16
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Font.Name = 'Arial'
|
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Font.Style = [fsBold]
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ParentColor = False
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ParentFont = False
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end
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object ChemLabel5: TChemLabel
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AnchorSideLeft.Control = Spacer
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AnchorSideLeft.Side = asrBottom
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Left = 187
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Height = 23
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Top = 96
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Width = 141
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Arrow = caUTF8Single
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Caption = 'H2+ + H2 --> H3+ + H'
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ParentColor = False
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end
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object Spacer: TBevel
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AnchorSideLeft.Control = Panel1
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AnchorSideLeft.Side = asrCenter
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Left = 170
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Height = 136
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Top = 0
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Width = 17
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Shape = bsSpacer
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end
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object Label1: TLabel
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AnchorSideRight.Control = Spacer
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Left = 103
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Height = 18
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Top = 40
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Width = 67
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Anchors = [akTop, akRight]
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Caption = 'Propanol:'
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ParentColor = False
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end
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object Label2: TLabel
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AnchorSideRight.Control = Spacer
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Left = 40
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Height = 18
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Top = 68
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Width = 130
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Anchors = [akTop, akRight]
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Caption = 'Chemical reaction:'
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ParentColor = False
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end
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object Label3: TLabel
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AnchorSideRight.Control = Spacer
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Left = 19
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Height = 18
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Top = 96
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Width = 151
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Anchors = [akTop, akRight]
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Caption = 'Ion-molecule reaction:'
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ParentColor = False
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end
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end
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object Edit1: TEdit
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Left = 32
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Height = 26
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Top = 168
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Width = 329
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OnChange = Edit1Change
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TabOrder = 0
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Text = '(CH3)3COH'
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end
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object ChemLabel4: TChemLabel
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Left = 32
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Height = 36
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Top = 208
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Width = 131
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Arrow = caUTF8Single
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Caption = '(CH3)3COH'
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Font.Color = clWindowText
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Font.Height = -27
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Font.Name = 'Times New Roman'
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ParentColor = False
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||||
ParentFont = False
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||||
end
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||||
end
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44
components/chemtext/demo/chemdemo/testchem.pas
Normal file
44
components/chemtext/demo/chemdemo/testchem.pas
Normal file
@ -0,0 +1,44 @@
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unit testchem;
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interface
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uses
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SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
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StdCtrls, ExtCtrls, chemtext;
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type
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{ TForm1 }
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TForm1 = class(TForm)
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Spacer: TBevel;
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ChemLabel1: TChemLabel;
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ChemLabel2: TChemLabel;
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ChemLabel3: TChemLabel;
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ChemLabel5: TChemLabel;
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Edit1: TEdit;
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ChemLabel4: TChemLabel;
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Label1: TLabel;
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Label2: TLabel;
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Label3: TLabel;
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Panel1: TPanel;
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procedure Edit1Change(Sender: TObject);
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private
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public
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end;
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var
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Form1: TForm1;
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implementation
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{$R *.lfm}
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procedure TForm1.Edit1Change(Sender: TObject);
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begin
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ChemLabel4.Caption := Edit1.Text;
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end;
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end.
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80
components/chemtext/demo/runtime/project1.lpi
Normal file
80
components/chemtext/demo/runtime/project1.lpi
Normal file
@ -0,0 +1,80 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<CONFIG>
|
||||
<ProjectOptions>
|
||||
<Version Value="10"/>
|
||||
<PathDelim Value="\"/>
|
||||
<General>
|
||||
<SessionStorage Value="InProjectDir"/>
|
||||
<MainUnit Value="0"/>
|
||||
<Title Value="project1"/>
|
||||
<ResourceType Value="res"/>
|
||||
<UseXPManifest Value="True"/>
|
||||
<Icon Value="0"/>
|
||||
</General>
|
||||
<BuildModes Count="1">
|
||||
<Item1 Name="Default" Default="True"/>
|
||||
</BuildModes>
|
||||
<PublishOptions>
|
||||
<Version Value="2"/>
|
||||
</PublishOptions>
|
||||
<RunParams>
|
||||
<local>
|
||||
<FormatVersion Value="1"/>
|
||||
</local>
|
||||
</RunParams>
|
||||
<RequiredPackages Count="2">
|
||||
<Item1>
|
||||
<PackageName Value="laz_chemtext"/>
|
||||
</Item1>
|
||||
<Item2>
|
||||
<PackageName Value="LCL"/>
|
||||
</Item2>
|
||||
</RequiredPackages>
|
||||
<Units Count="2">
|
||||
<Unit0>
|
||||
<Filename Value="project1.lpr"/>
|
||||
<IsPartOfProject Value="True"/>
|
||||
</Unit0>
|
||||
<Unit1>
|
||||
<Filename Value="unit1.pas"/>
|
||||
<IsPartOfProject Value="True"/>
|
||||
<ComponentName Value="Form1"/>
|
||||
<HasResources Value="True"/>
|
||||
<ResourceBaseClass Value="Form"/>
|
||||
<UnitName Value="Unit1"/>
|
||||
</Unit1>
|
||||
</Units>
|
||||
</ProjectOptions>
|
||||
<CompilerOptions>
|
||||
<Version Value="11"/>
|
||||
<PathDelim Value="\"/>
|
||||
<Target>
|
||||
<Filename Value="project1"/>
|
||||
</Target>
|
||||
<SearchPaths>
|
||||
<IncludeFiles Value="$(ProjOutDir)"/>
|
||||
<OtherUnitFiles Value="..\source"/>
|
||||
<UnitOutputDirectory Value="lib\$(TargetCPU)-$(TargetOS)"/>
|
||||
</SearchPaths>
|
||||
<Linking>
|
||||
<Options>
|
||||
<Win32>
|
||||
<GraphicApplication Value="True"/>
|
||||
</Win32>
|
||||
</Options>
|
||||
</Linking>
|
||||
</CompilerOptions>
|
||||
<Debugging>
|
||||
<Exceptions Count="3">
|
||||
<Item1>
|
||||
<Name Value="EAbort"/>
|
||||
</Item1>
|
||||
<Item2>
|
||||
<Name Value="ECodetoolError"/>
|
||||
</Item2>
|
||||
<Item3>
|
||||
<Name Value="EFOpenError"/>
|
||||
</Item3>
|
||||
</Exceptions>
|
||||
</Debugging>
|
||||
</CONFIG>
|
||||
21
components/chemtext/demo/runtime/project1.lpr
Normal file
21
components/chemtext/demo/runtime/project1.lpr
Normal file
@ -0,0 +1,21 @@
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program project1;
|
||||
|
||||
{$mode objfpc}{$H+}
|
||||
|
||||
uses
|
||||
{$IFDEF UNIX}{$IFDEF UseCThreads}
|
||||
cthreads,
|
||||
{$ENDIF}{$ENDIF}
|
||||
Interfaces, // this includes the LCL widgetset
|
||||
Forms, Unit1
|
||||
{ you can add units after this };
|
||||
|
||||
{$R *.res}
|
||||
|
||||
begin
|
||||
RequireDerivedFormResource := True;
|
||||
Application.Initialize;
|
||||
Application.CreateForm(TForm1, Form1);
|
||||
Application.Run;
|
||||
end.
|
||||
|
||||
169
components/chemtext/demo/runtime/unit1.lfm
Normal file
169
components/chemtext/demo/runtime/unit1.lfm
Normal file
@ -0,0 +1,169 @@
|
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object Form1: TForm1
|
||||
Left = 280
|
||||
Height = 418
|
||||
Top = 130
|
||||
Width = 435
|
||||
Caption = 'Form1'
|
||||
ClientHeight = 418
|
||||
ClientWidth = 435
|
||||
OnCreate = FormCreate
|
||||
LCLVersion = '1.9.0.0'
|
||||
object RadioGroup1: TRadioGroup
|
||||
Left = 13
|
||||
Height = 330
|
||||
Top = 74
|
||||
Width = 195
|
||||
Anchors = [akTop, akLeft, akBottom]
|
||||
AutoFill = True
|
||||
Caption = 'Formula'
|
||||
ChildSizing.LeftRightSpacing = 6
|
||||
ChildSizing.EnlargeHorizontal = crsHomogenousChildResize
|
||||
ChildSizing.EnlargeVertical = crsHomogenousChildResize
|
||||
ChildSizing.ShrinkHorizontal = crsScaleChilds
|
||||
ChildSizing.ShrinkVertical = crsScaleChilds
|
||||
ChildSizing.Layout = cclLeftToRightThenTopToBottom
|
||||
ChildSizing.ControlsPerLine = 1
|
||||
ClientHeight = 310
|
||||
ClientWidth = 191
|
||||
ItemIndex = 0
|
||||
Items.Strings = (
|
||||
'H'
|
||||
'H+'
|
||||
'2H+'
|
||||
'O--'
|
||||
'H2O'
|
||||
'C3H7OH'
|
||||
'(CH3)3COH'
|
||||
'2H+ + O--'
|
||||
'H + Cl -> HCl'
|
||||
'H + Cl --> HCl'
|
||||
'2 H+ + O-- <-> H2O'
|
||||
'2 H+ + O-- <--> H2O'
|
||||
'H2O <- 2H + O'
|
||||
'H2O <-- 2H + O'
|
||||
)
|
||||
OnClick = RadioGroup1Click
|
||||
TabOrder = 0
|
||||
end
|
||||
object CbDefaultFontSize: TCheckBox
|
||||
Left = 335
|
||||
Height = 19
|
||||
Top = 354
|
||||
Width = 83
|
||||
Caption = 'Default font'
|
||||
Checked = True
|
||||
OnChange = CbDefaultFontSizeChange
|
||||
State = cbChecked
|
||||
TabOrder = 1
|
||||
end
|
||||
object RadioGroup2: TRadioGroup
|
||||
Left = 224
|
||||
Height = 142
|
||||
Top = 74
|
||||
Width = 185
|
||||
AutoFill = True
|
||||
Caption = 'Arrow'
|
||||
ChildSizing.LeftRightSpacing = 6
|
||||
ChildSizing.EnlargeHorizontal = crsHomogenousChildResize
|
||||
ChildSizing.EnlargeVertical = crsHomogenousChildResize
|
||||
ChildSizing.ShrinkHorizontal = crsScaleChilds
|
||||
ChildSizing.ShrinkVertical = crsScaleChilds
|
||||
ChildSizing.Layout = cclLeftToRightThenTopToBottom
|
||||
ChildSizing.ControlsPerLine = 1
|
||||
ClientHeight = 122
|
||||
ClientWidth = 181
|
||||
ItemIndex = 0
|
||||
Items.Strings = (
|
||||
'ASCII single'
|
||||
'ASCII double'
|
||||
'UTF8 '
|
||||
'UTF8 single'
|
||||
'UTF8 double'
|
||||
'UTF8 half'
|
||||
)
|
||||
OnClick = RadioGroup2Click
|
||||
TabOrder = 2
|
||||
end
|
||||
object RadioGroup3: TRadioGroup
|
||||
Left = 224
|
||||
Height = 43
|
||||
Top = 232
|
||||
Width = 185
|
||||
AutoFill = True
|
||||
Caption = 'Alignment'
|
||||
ChildSizing.LeftRightSpacing = 6
|
||||
ChildSizing.EnlargeHorizontal = crsHomogenousChildResize
|
||||
ChildSizing.EnlargeVertical = crsHomogenousChildResize
|
||||
ChildSizing.ShrinkHorizontal = crsScaleChilds
|
||||
ChildSizing.ShrinkVertical = crsScaleChilds
|
||||
ChildSizing.Layout = cclLeftToRightThenTopToBottom
|
||||
ChildSizing.ControlsPerLine = 3
|
||||
ClientHeight = 23
|
||||
ClientWidth = 181
|
||||
Columns = 3
|
||||
ItemIndex = 0
|
||||
Items.Strings = (
|
||||
'left'
|
||||
'center'
|
||||
'right'
|
||||
)
|
||||
OnClick = RadioGroup3Click
|
||||
TabOrder = 3
|
||||
end
|
||||
object CheckBox2: TCheckBox
|
||||
Left = 335
|
||||
Height = 19
|
||||
Top = 330
|
||||
Width = 65
|
||||
Caption = 'Autosize'
|
||||
OnChange = CheckBox2Change
|
||||
TabOrder = 4
|
||||
end
|
||||
object RadioGroup4: TRadioGroup
|
||||
Left = 224
|
||||
Height = 88
|
||||
Top = 298
|
||||
Width = 97
|
||||
AutoFill = True
|
||||
Caption = 'Layout'
|
||||
ChildSizing.LeftRightSpacing = 6
|
||||
ChildSizing.EnlargeHorizontal = crsHomogenousChildResize
|
||||
ChildSizing.EnlargeVertical = crsHomogenousChildResize
|
||||
ChildSizing.ShrinkHorizontal = crsScaleChilds
|
||||
ChildSizing.ShrinkVertical = crsScaleChilds
|
||||
ChildSizing.Layout = cclLeftToRightThenTopToBottom
|
||||
ChildSizing.ControlsPerLine = 1
|
||||
ClientHeight = 68
|
||||
ClientWidth = 93
|
||||
ItemIndex = 0
|
||||
Items.Strings = (
|
||||
'tlTop'
|
||||
'tlCenter'
|
||||
'tlBottom'
|
||||
)
|
||||
OnClick = RadioGroup4Click
|
||||
TabOrder = 5
|
||||
end
|
||||
object CheckBox3: TCheckBox
|
||||
Left = 335
|
||||
Height = 19
|
||||
Top = 306
|
||||
Width = 62
|
||||
Caption = 'Enabled'
|
||||
Checked = True
|
||||
OnChange = CheckBox3Change
|
||||
State = cbChecked
|
||||
TabOrder = 6
|
||||
end
|
||||
object SpinEdit1: TSpinEdit
|
||||
Left = 352
|
||||
Height = 23
|
||||
Top = 381
|
||||
Width = 50
|
||||
Alignment = taRightJustify
|
||||
OnChange = SpinEdit1Change
|
||||
TabOrder = 7
|
||||
Value = 20
|
||||
Visible = False
|
||||
end
|
||||
end
|
||||
124
components/chemtext/demo/runtime/unit1.pas
Normal file
124
components/chemtext/demo/runtime/unit1.pas
Normal file
@ -0,0 +1,124 @@
|
||||
unit Unit1;
|
||||
|
||||
{$mode objfpc}{$H+}
|
||||
|
||||
interface
|
||||
|
||||
uses
|
||||
Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs, StdCtrls,
|
||||
ExtCtrls, Spin, ChemText;
|
||||
|
||||
type
|
||||
|
||||
{ TForm1 }
|
||||
|
||||
TForm1 = class(TForm)
|
||||
CbDefaultFontSize: TCheckBox;
|
||||
CheckBox2: TCheckBox;
|
||||
CheckBox3: TCheckBox;
|
||||
RadioGroup1: TRadioGroup;
|
||||
RadioGroup2: TRadioGroup;
|
||||
RadioGroup3: TRadioGroup;
|
||||
RadioGroup4: TRadioGroup;
|
||||
SpinEdit1: TSpinEdit;
|
||||
procedure CbDefaultFontSizeChange(Sender: TObject);
|
||||
procedure CheckBox2Change(Sender: TObject);
|
||||
procedure CheckBox3Change(Sender: TObject);
|
||||
procedure FormCreate(Sender: TObject);
|
||||
procedure RadioGroup1Click(Sender: TObject);
|
||||
procedure RadioGroup2Click(Sender: TObject);
|
||||
procedure RadioGroup3Click(Sender: TObject);
|
||||
procedure RadioGroup4Click(Sender: TObject);
|
||||
procedure SpinEdit1Change(Sender: TObject);
|
||||
private
|
||||
ChemLabel: TChemLabel;
|
||||
|
||||
public
|
||||
|
||||
end;
|
||||
|
||||
var
|
||||
Form1: TForm1;
|
||||
|
||||
implementation
|
||||
|
||||
{$R *.lfm}
|
||||
|
||||
{ TForm1 }
|
||||
|
||||
procedure TForm1.CbDefaultFontSizeChange(Sender: TObject);
|
||||
begin
|
||||
if CbDefaultFontSize.Checked then
|
||||
Chemlabel.Font.Size := 0
|
||||
else
|
||||
ChemLabel.Font.Size := SpinEdit1.Value;
|
||||
SpinEdit1.Visible := not CbDefaultFontSize.Checked;
|
||||
end;
|
||||
|
||||
procedure TForm1.CheckBox2Change(Sender: TObject);
|
||||
begin
|
||||
ChemLabel.AutoSize := Checkbox2.Checked;
|
||||
if not ChemLabel.AutoSize then begin
|
||||
ChemLabel.Width := Width - 2*ChemLabel.Left;
|
||||
ChemLabel.Height := Radiogroup1.Top - 8 - 8;
|
||||
end;
|
||||
end;
|
||||
|
||||
procedure TForm1.CheckBox3Change(Sender: TObject);
|
||||
begin
|
||||
ChemLabel.Enabled := Checkbox3.Checked;
|
||||
end;
|
||||
|
||||
procedure TForm1.FormCreate(Sender: TObject);
|
||||
begin
|
||||
ChemLabel := TChemLabel.Create(self);
|
||||
ChemLabel.Parent := self;
|
||||
ChemLabel.Left := 8;
|
||||
ChemLabel.Top := 8;
|
||||
ChemLabel.AutoSize := false;
|
||||
Chemlabel.Height := 50;
|
||||
ChemLabel.Width := ClientWidth - 2*Chemlabel.Left;
|
||||
// ChemLabel.Anchors := [akLeft, akRight, akTop];
|
||||
ChemLabel.Color := clWindow;
|
||||
|
||||
RadioGroup1Click(nil);
|
||||
RadioGroup2Click(nil);
|
||||
end;
|
||||
|
||||
procedure TForm1.RadioGroup1Click(Sender: TObject);
|
||||
begin
|
||||
Chemlabel.Caption := RadioGroup1.Items[Radiogroup1.ItemIndex];
|
||||
end;
|
||||
|
||||
procedure TForm1.RadioGroup2Click(Sender: TObject);
|
||||
begin
|
||||
ChemLabel.Arrow := TChemArrow(RadioGroup2.ItemIndex);
|
||||
end;
|
||||
|
||||
procedure TForm1.RadioGroup3Click(Sender: TObject);
|
||||
begin
|
||||
case Radiogroup3.ItemIndex of
|
||||
0: ChemLabel.Alignment := taLeftJustify;
|
||||
1: ChemLabel.Alignment := taCenter;
|
||||
2: Chemlabel.Alignment := taRightJustify;
|
||||
end;
|
||||
end;
|
||||
|
||||
procedure TForm1.RadioGroup4Click(Sender: TObject);
|
||||
begin
|
||||
case Radiogroup4.ItemIndex of
|
||||
0: ChemLabel.Layout := tlTop;
|
||||
1: Chemlabel.Layout := tlCenter;
|
||||
2: Chemlabel.Layout := tlBottom;
|
||||
end;
|
||||
end;
|
||||
|
||||
procedure TForm1.SpinEdit1Change(Sender: TObject);
|
||||
begin
|
||||
if not CbDefaultFontSize.Checked then
|
||||
Chemlabel.Font.Size := SpinEdit1.Value;
|
||||
ChemLabel.Invalidate;
|
||||
end;
|
||||
|
||||
end.
|
||||
|
||||
40
components/chemtext/laz_chemtext.lpk
Normal file
40
components/chemtext/laz_chemtext.lpk
Normal file
@ -0,0 +1,40 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<CONFIG>
|
||||
<Package Version="4">
|
||||
<PathDelim Value="\"/>
|
||||
<Name Value="laz_chemtext"/>
|
||||
<Type Value="RunAndDesignTime"/>
|
||||
<CompilerOptions>
|
||||
<Version Value="11"/>
|
||||
<PathDelim Value="\"/>
|
||||
<SearchPaths>
|
||||
<OtherUnitFiles Value="source"/>
|
||||
<UnitOutputDirectory Value="lib\$(TargetCPU)-$(TargetOS)\"/>
|
||||
</SearchPaths>
|
||||
</CompilerOptions>
|
||||
<Description Value="A label showing chemical formulas with sub- and superscripts and reaction arrows."/>
|
||||
<License Value="LGPL with linking exception (like Lazarus)"/>
|
||||
<Version Minor="1"/>
|
||||
<Files Count="1">
|
||||
<Item1>
|
||||
<Filename Value="source\chemtext.pas"/>
|
||||
<HasRegisterProc Value="True"/>
|
||||
<UnitName Value="chemtext"/>
|
||||
</Item1>
|
||||
</Files>
|
||||
<RequiredPkgs Count="2">
|
||||
<Item1>
|
||||
<PackageName Value="LCL"/>
|
||||
</Item1>
|
||||
<Item2>
|
||||
<PackageName Value="FCL"/>
|
||||
</Item2>
|
||||
</RequiredPkgs>
|
||||
<UsageOptions>
|
||||
<UnitPath Value="$(PkgOutDir)"/>
|
||||
</UsageOptions>
|
||||
<PublishOptions>
|
||||
<Version Value="2"/>
|
||||
</PublishOptions>
|
||||
</Package>
|
||||
</CONFIG>
|
||||
22
components/chemtext/laz_chemtext.pas
Normal file
22
components/chemtext/laz_chemtext.pas
Normal file
@ -0,0 +1,22 @@
|
||||
{ This file was automatically created by Lazarus. Do not edit!
|
||||
This source is only used to compile and install the package.
|
||||
}
|
||||
|
||||
unit laz_chemtext;
|
||||
|
||||
{$warn 5023 off : no warning about unused units}
|
||||
interface
|
||||
|
||||
uses
|
||||
chemtext, LazarusPackageIntf;
|
||||
|
||||
implementation
|
||||
|
||||
procedure Register;
|
||||
begin
|
||||
RegisterUnit('chemtext', @chemtext.Register);
|
||||
end;
|
||||
|
||||
initialization
|
||||
RegisterPackage('laz_chemtext', @Register);
|
||||
end.
|
||||
420
components/chemtext/source/chemtext.pas
Normal file
420
components/chemtext/source/chemtext.pas
Normal file
@ -0,0 +1,420 @@
|
||||
(*******************************************************************************
|
||||
|
||||
chemtext.pas
|
||||
|
||||
Motivated by chemtxt written by Patrick Spanel (Patrik.Spanel@jh-inst.cas.cz)
|
||||
Download his version from
|
||||
http://torry.net/vcl/science/packs/ChemText12.zip
|
||||
or
|
||||
http://delphi.icm.edu.pl/ftp/d10free/chemtxt.zip
|
||||
|
||||
Adapted to Lazarus and extended by Werner Pamler
|
||||
|
||||
License:
|
||||
LGPL with linking exception (like Lazarus)
|
||||
See the file COPYING.modifiedLGPL.txt, included in the Lazarus distribution,
|
||||
for details about the license.
|
||||
|
||||
*******************************************************************************)
|
||||
|
||||
unit chemtext;
|
||||
|
||||
interface
|
||||
|
||||
uses
|
||||
LclIntf, LCLType, Types, SysUtils, Classes, Graphics, StdCtrls;
|
||||
|
||||
type
|
||||
TChemArrow = (
|
||||
caASCIISingle, caASCIIDouble, caUTF8, caUTF8Single, caUTF8Double, caUTF8Half
|
||||
);
|
||||
|
||||
TChemLabel = class(TCustomLabel)
|
||||
private
|
||||
FArrow: TChemArrow;
|
||||
procedure SetArrow(const AValue: TChemArrow);
|
||||
protected
|
||||
procedure CalculatePreferredSize(var PreferredWidth, PreferredHeight: integer;
|
||||
{%H-}WithThemeSpace: Boolean); override;
|
||||
procedure CalculateSize(out NeededWidth, NeededHeight: Integer);
|
||||
procedure DoMeasureTextPosition(var TextTop: integer;
|
||||
var TextLeft: integer); override;
|
||||
public
|
||||
constructor Create(AOwner: TComponent); override;
|
||||
procedure Paint; override;
|
||||
published
|
||||
property Arrow: TChemArrow read FArrow write SetArrow default caASCIISingle;
|
||||
|
||||
property Align;
|
||||
property Alignment;
|
||||
property Anchors;
|
||||
property AutoSize;
|
||||
// property BidiMode;
|
||||
property BorderSpacing;
|
||||
property Caption;
|
||||
property Color;
|
||||
property Constraints;
|
||||
property DragCursor;
|
||||
property DragKind;
|
||||
property DragMode;
|
||||
property Enabled;
|
||||
property FocusControl;
|
||||
property Font;
|
||||
property Layout;
|
||||
// property ParentBidiMode;
|
||||
property ParentColor;
|
||||
property ParentFont;
|
||||
property ParentShowHint;
|
||||
property PopupMenu;
|
||||
// property ShowAccelChar;
|
||||
property ShowHint;
|
||||
property Transparent;
|
||||
property Visible;
|
||||
// property WordWrap;
|
||||
property OnChangeBounds;
|
||||
property OnClick;
|
||||
property OnContextPopup;
|
||||
property OnDblClick;
|
||||
property OnDragDrop;
|
||||
property OnDragOver;
|
||||
property OnEndDrag;
|
||||
property OnMouseDown;
|
||||
property OnMouseEnter;
|
||||
property OnMouseLeave;
|
||||
property OnMouseMove;
|
||||
property OnMouseUp;
|
||||
property OnMouseWheel;
|
||||
property OnMouseWheelDown;
|
||||
property OnMouseWheelUp;
|
||||
property OnResize;
|
||||
property OnStartDrag;
|
||||
// property OptimalFill;
|
||||
end;
|
||||
|
||||
|
||||
{ The following rotuines can be used in an event handler, for example in
|
||||
OnDrawDataCell of DBGrid:
|
||||
|
||||
procedure TForm1.DBGrid1DrawDataCell(Sender: TObject;
|
||||
const Rect: TRect; Field: TField; State:
|
||||
TGridDrawState);
|
||||
begin
|
||||
if Assigned(Field) then
|
||||
ChemTextOut((Sender as TDBGrid).Canvas, Rect, Rect.Left,
|
||||
Rect.Top, Field.DisplayText);
|
||||
end;
|
||||
}
|
||||
|
||||
function ChemTextOut(ACanvas: TCanvas; X, Y: integer;
|
||||
const AText:String; Arrow: TChemArrow = caAsciiSingle; Measure: Boolean = false): TSize;
|
||||
|
||||
function ChemTextHeight(ACanvas: TCanvas; const AText: String;
|
||||
Arrow: TChemArrow = caAsciiSingle): Integer;
|
||||
|
||||
function ChemTextWidth(ACanvas: TCanvas; const AText: String;
|
||||
Arrow: TChemArrow = caAsciiSingle): Integer;
|
||||
|
||||
function ChemTextExtent(ACanvas: TCanvas; const AText: String;
|
||||
Arrow: TChemArrow = caAsciiSingle): TSize;
|
||||
|
||||
procedure Register;
|
||||
|
||||
|
||||
implementation
|
||||
|
||||
{$R chemtext.res}
|
||||
|
||||
uses
|
||||
Themes, Math;
|
||||
|
||||
type
|
||||
TArrowDir = (adLeft, adRight, adBoth);
|
||||
|
||||
const
|
||||
SUBFONT_SIZE_MULTIPLIER = 75;
|
||||
SUBFONT_OFFSET_MULTIPLIER = 50;
|
||||
SUBFONT_DIVISOR = 100;
|
||||
ARROW_LINE: array[boolean] of char = ('-', '=');
|
||||
|
||||
function ChemTextHeight(ACanvas: TCanvas; const AText: String;
|
||||
Arrow: TChemArrow = caAsciiSingle): Integer;
|
||||
var
|
||||
ex: TSize;
|
||||
begin
|
||||
ex := ChemTextExtent(ACanvas, AText, Arrow);
|
||||
Result := ex.CY;
|
||||
end;
|
||||
|
||||
function ChemTextWidth(ACanvas: TCanvas; const AText: String;
|
||||
Arrow: TChemArrow = caAsciiSingle): Integer;
|
||||
var
|
||||
ex: TSize;
|
||||
begin
|
||||
ex := ChemTextExtent(ACanvas, AText, Arrow);
|
||||
Result := ex.CX;
|
||||
end;
|
||||
|
||||
function ChemTextExtent(ACanvas: TCanvas; const AText: String;
|
||||
Arrow: TChemArrow = caAsciiSingle): TSize;
|
||||
begin
|
||||
Result := ChemTextOut(ACanvas, 0, 0, AText, Arrow, true);
|
||||
end;
|
||||
|
||||
function ChemTextOut(ACanvas: TCanvas; X, Y:integer; const AText: String;
|
||||
Arrow: TChemArrow = caAsciiSingle; Measure: Boolean = false): TSize;
|
||||
var
|
||||
lTextHeight: Integer;
|
||||
|
||||
procedure DrawSub(var x: Integer; y: Integer; const s: String);
|
||||
var
|
||||
h: Integer;
|
||||
yoff: Integer;
|
||||
begin
|
||||
h := ACanvas.Font.Height;
|
||||
try
|
||||
ACanvas.Font.Height := MulDiv(h, SUBFONT_SIZE_MULTIPLIER, SUBFONT_DIVISOR);
|
||||
yoff := abs(MulDiv(h, SUBFONT_OFFSET_MULTIPLIER, SUBFONT_DIVISOR));
|
||||
if not Measure then
|
||||
ACanvas.TextOut(x, y + yoff, s);
|
||||
x := x + ACanvas.TextWidth(s);
|
||||
lTextHeight := Max(lTextHeight, yoff + ACanvas.TextHeight('0'));
|
||||
finally
|
||||
ACanvas.Font.Height := h;
|
||||
end;
|
||||
end;
|
||||
|
||||
procedure DrawSup(var x: Integer; y: Integer; const s: String);
|
||||
var
|
||||
h: Integer;
|
||||
begin
|
||||
h := ACanvas.Font.Height;
|
||||
try
|
||||
ACanvas.Font.Height := MulDiv(h, SUBFONT_SIZE_MULTIPLIER, SUBFONT_DIVISOR);
|
||||
if not Measure then
|
||||
ACanvas.TextOut(x, y - 1, s);
|
||||
inc(x, ACanvas.TextWidth(s));
|
||||
finally
|
||||
ACanvas.Font.Height := h;
|
||||
end;
|
||||
end;
|
||||
|
||||
procedure DrawNormal(var x: Integer; y: Integer; const s: String);
|
||||
begin
|
||||
if not Measure then
|
||||
ACanvas.TextOut(x, y, s);
|
||||
inc(x, ACanvas.TextWidth(s));
|
||||
end;
|
||||
|
||||
procedure DrawArrow(var x: Integer; y: Integer; ADir: TArrowDir;
|
||||
ALen: Integer);
|
||||
const
|
||||
ARROWS: array[TChemArrow, TArrowDir] of string = (
|
||||
('<%s', '%s>', '<%s>'), // caAsciiSingle
|
||||
('<%s', '%s>', '<%s>'), // caAsciiDouble
|
||||
(#$E2#$86#$90, #$E2#$86#$92, #$E2#$87#$8C), // caUTF8 ← → ⇌
|
||||
(#$E2#$86#$90, #$E2#$86#$92, #$E2#$86#$94), // caUTF8Single ← → ↔
|
||||
(#$E2#$87#$90, #$E2#$87#$92, #$E2#$87#$94), // caUTF8Double ⇐ ⇒ ⇔ ⇔
|
||||
(#$E2#$86#$BD, #$E2#$87#$80, #$E2#$87#$8C) // caUTF8Half ↽ ↼ ⇌
|
||||
);
|
||||
var
|
||||
i: Integer;
|
||||
s: String;
|
||||
begin
|
||||
if Arrow in [caASCIISingle, caASCIIDouble] then
|
||||
begin
|
||||
SetLength(s, ALen);
|
||||
for i:=1 to ALen do s[i] := ARROW_LINE[Arrow=caAsciiDouble];
|
||||
s := Format(ARROWS[Arrow, ADir], [s]);
|
||||
end else
|
||||
s := ARROWS[Arrow, ADir];
|
||||
|
||||
if not Measure then
|
||||
ACanvas.TextOut(x, y, s);
|
||||
inc(x, ACanvas.TextWidth(s));
|
||||
end;
|
||||
|
||||
var
|
||||
x0: Integer;
|
||||
i, j: integer;
|
||||
s: string;
|
||||
subNos: boolean; // "subscript numbers"
|
||||
begin
|
||||
Result := Size(0, 0);
|
||||
if AText = '' then
|
||||
exit;
|
||||
|
||||
with ACanvas do begin
|
||||
if Font.Size = 0 then
|
||||
Font.Size := GetFontData(Font.Reference.Handle).Height;
|
||||
|
||||
lTextHeight := TextHeight('Tg');
|
||||
|
||||
x0 := X;
|
||||
subNos := false;
|
||||
i := 1;
|
||||
while i <= Length(AText) do begin
|
||||
case AText[i] of
|
||||
'0'..'9':
|
||||
begin
|
||||
s := AText[i];
|
||||
j := i+1;
|
||||
while (j <= Length(AText)) and (AText[j] in ['0'..'9']) do
|
||||
inc(j);
|
||||
s := Copy(AText, i, j-i);
|
||||
if subNos then
|
||||
DrawSub(X, Y, s)
|
||||
else
|
||||
DrawNormal(X, Y, s);
|
||||
i := j-1;
|
||||
subNos := false;
|
||||
end;
|
||||
|
||||
'<':
|
||||
begin
|
||||
j := i+1;
|
||||
while (j <= Length(AText)) and (AText[j] in ['-', '=']) do
|
||||
inc(j);
|
||||
if (AText[j] = '>') then
|
||||
DrawArrow(X, Y, adBoth, j-i-1)
|
||||
else begin
|
||||
DrawArrow(X, Y, adLeft, j-i-1);
|
||||
dec(j);
|
||||
end;
|
||||
i := j;
|
||||
subNos := false;
|
||||
end;
|
||||
|
||||
'+':
|
||||
begin
|
||||
if (i > 1) and (AText[i-1] in ['A'..'Z','a'..'z','0'..'9','+',')']) then
|
||||
DrawSup(X, Y, '+')
|
||||
else
|
||||
DrawNormal(X, Y, '+');
|
||||
subNos := false;
|
||||
end;
|
||||
|
||||
'-':
|
||||
begin
|
||||
j := i+1;
|
||||
while (j <= Length(AText)) and (AText[j] = '-') do inc(j);
|
||||
if (j <= Length(AText)) and (AText[j] = '>') then // Arrow
|
||||
begin
|
||||
DrawArrow(X, y, adRight, j-i);
|
||||
i := j;
|
||||
end else // superscript -
|
||||
DrawSup(X, Y, '-');
|
||||
subNos := false;
|
||||
end;
|
||||
|
||||
else
|
||||
begin
|
||||
j := i+1;
|
||||
while (j <= Length(AText)) and not (AText[j] in ['0'..'9', '+', '-', '<']) do
|
||||
inc(j);
|
||||
s := Copy(AText, i, j-i);
|
||||
DrawNormal(X, Y, s);
|
||||
i := j-1;
|
||||
subNos := AText[i] in ['A'..'Z', 'a'..'z', ')'];
|
||||
// In these cases a subsequent number will be subscripted.
|
||||
end;
|
||||
end;
|
||||
inc(i);
|
||||
end;
|
||||
end;
|
||||
|
||||
Result.CX := X - x0;
|
||||
Result.CY := lTextHeight;
|
||||
end;
|
||||
|
||||
|
||||
{ TChemText }
|
||||
|
||||
constructor TChemLabel.Create(AOwner: TComponent);
|
||||
begin
|
||||
inherited;
|
||||
end;
|
||||
|
||||
procedure TChemLabel.CalculatePreferredSize(
|
||||
var PreferredWidth, PreferredHeight: integer; WithThemeSpace: Boolean);
|
||||
begin
|
||||
CalculateSize(PreferredWidth, PreferredHeight);
|
||||
end;
|
||||
|
||||
procedure TChemlabel.CalculateSize(out NeededWidth, NeededHeight: Integer);
|
||||
var
|
||||
ex: TSize;
|
||||
begin
|
||||
Canvas.Font := Font;
|
||||
ex := ChemTextExtent(Canvas, Caption, FArrow);
|
||||
NeededWidth := ex.CX;
|
||||
NeededHeight := ex.CY;
|
||||
end;
|
||||
|
||||
procedure TChemLabel.DoMeasureTextPosition(var TextTop: integer;
|
||||
var TextLeft: integer);
|
||||
var
|
||||
lTextHeight: integer;
|
||||
lTextWidth: integer;
|
||||
begin
|
||||
TextLeft := 0;
|
||||
TextTop := 0;
|
||||
if (Alignment <> taLeftJustify) or (Layout <> tlTop) then begin
|
||||
CalculateSize(lTextWidth, lTextHeight);
|
||||
case Alignment of
|
||||
taCenter : TextLeft := (Width - lTextWidth) div 2;
|
||||
taRightJustify : TextLeft := Width - lTextWidth;
|
||||
end;
|
||||
case Layout of
|
||||
tlCenter : TextTop := (Height - lTextHeight) div 2;
|
||||
tlBottom : TextTop := Height - lTextHeight;
|
||||
end;
|
||||
end;
|
||||
end;
|
||||
|
||||
procedure TChemLabel.Paint;
|
||||
var
|
||||
textTop: Integer = 0;
|
||||
textLeft: Integer = 0;
|
||||
oldFontColor: TColor;
|
||||
labelText: String;
|
||||
begin
|
||||
if not Transparent then
|
||||
begin
|
||||
Canvas.Brush.Color := Self.Color;
|
||||
Canvas.Brush.Style := bsSolid;
|
||||
Canvas.FillRect(ClientRect);
|
||||
end;
|
||||
Canvas.Brush.Style := bsClear;
|
||||
Canvas.Font := Font;
|
||||
|
||||
labelText := Caption;
|
||||
DoMeasureTextPosition(textTop, textLeft);
|
||||
|
||||
oldFontColor := Font.Color;
|
||||
if not IsEnabled then
|
||||
if ThemeServices.ThemesEnabled then
|
||||
Canvas.Font.Color := clGrayText
|
||||
else
|
||||
begin
|
||||
Canvas.Font.Color := clBtnHighlight;
|
||||
ChemTextOut(Canvas, textLeft + 1, textTop + 1, labelText, FArrow);
|
||||
Canvas.Font.Color := clBtnShadow;
|
||||
end;
|
||||
ChemTextOut(Canvas, textLeft, textTop, labelText, FArrow);
|
||||
Canvas.Font.Color := oldFontColor;
|
||||
end;
|
||||
|
||||
procedure TChemLabel.SetArrow(const AValue: TChemArrow);
|
||||
begin
|
||||
if AValue = FArrow then
|
||||
exit;
|
||||
FArrow := AValue;
|
||||
Invalidate;
|
||||
end;
|
||||
|
||||
procedure Register;
|
||||
begin
|
||||
RegisterComponents('Misc', [TChemlabel]);
|
||||
end;
|
||||
|
||||
end.
|
||||
BIN
components/chemtext/source/chemtext.res
Normal file
BIN
components/chemtext/source/chemtext.res
Normal file
Binary file not shown.
Loading…
Reference in New Issue
Block a user