lazarus/ide/frames/editor_display_options.pas
mattias 7f6a28d1fe IDEIntf: clean up and added unit ideutils
git-svn-id: trunk@44150 -
2014-02-18 20:55:15 +00:00

439 lines
16 KiB
ObjectPascal

{
***************************************************************************
* *
* This source is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This code 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. See the GNU *
* General Public License for more details. *
* *
* A copy of the GNU General Public License is available on the World *
* Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also *
* obtain it by writing to the Free Software Foundation, *
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
* *
***************************************************************************
}
unit editor_display_options;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, Graphics, Dialogs, StdCtrls, Spin, LCLType, SynEdit,
SynEditMouseCmds, EditorOptions, LazarusIDEStrConsts, IDEOptionsIntf,
IDEUtils, editor_general_options, editor_color_options, IDEProcs,
SynGutterLineNumber, SynGutterLineOverview, SynGutter, SourceSynEditor,
SourceMarks;
type
{ TEditorDisplayOptionsFrame }
TEditorDisplayOptionsFrame = class(TAbstractIDEOptionsEditor)
chkTopInfoView: TCheckBox;
chkShowOverview: TCheckBox;
DisableAntialiasingCheckBox: TCheckBox;
DisplayPreview: TSynEdit;
EditorFontButton: TButton;
EditorFontComboBox: TComboBox;
EditorFontGroupBox: TGroupBox;
EditorFontSizeSpinEdit: TSpinEdit;
EditorFontSizeLabel: TLabel;
ExtraCharSpacingComboBox: TComboBox;
ExtraCharSpacingLabel: TLabel;
ExtraLineSpacingComboBox: TComboBox;
ExtraLineSpacingLabel: TLabel;
GutterSeparatorIndexLabel: TLabel;
MarginAndGutterGroupBox: TGroupBox;
RightMarginColorLink: TLabel;
RightMarginComboBox: TComboBox;
RightMarginLabel: TLabel;
ShowLineNumbersCheckBox: TCheckBox;
ShowOnlyLineNumbersMultiplesOfLabel: TLabel;
ShowOnlyLineNumbersMultiplesOfSpinEdit: TSpinEdit;
GutterSeparatorIndexSpinBox: TSpinEdit;
VisibleGutterCheckBox: TCheckBox;
VisibleRightMarginCheckBox: TCheckBox;
procedure EditorFontButtonClick(Sender: TObject);
procedure EditorFontComboBoxEditingDone(Sender: TObject);
procedure EditorFontSizeSpinEditChange(Sender: TObject);
procedure ComboboxOnExit(Sender: TObject);
procedure ComboBoxOnKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
procedure ComboboxOnChange(Sender: TObject);
procedure GeneralCheckBoxOnChange(Sender: TObject);
procedure RightMarginColorLinkClick(Sender: TObject);
procedure RightMarginColorLinkMouseEnter(Sender: TObject);
procedure RightMarginColorLinkMouseLeave(Sender: TObject);
procedure ShowLineNumbersCheckBoxClick(Sender: TObject);
private
FDialog: TAbstractOptionsEditorDialog;
FUpdatingFontSizeRange: Boolean;
function FontSizeNegativeToPositive(NegativeSize: Integer): Integer;
function GeneralPage: TEditorGeneralOptionsFrame; inline;
procedure SetEditorFontSizeSpinEditValue(FontSize: Integer);
procedure FontDialogApplyClicked(Sender: TObject);
function DoSynEditMouse(var AnInfo: TSynEditMouseActionInfo;
HandleActionProc: TSynEditMouseActionHandler): Boolean;
public
function GetTitle: String; override;
procedure Setup(ADialog: TAbstractOptionsEditorDialog); override;
procedure ReadSettings(AOptions: TAbstractIDEOptions); override;
procedure WriteSettings(AOptions: TAbstractIDEOptions); override;
class function SupportedOptionsClass: TAbstractIDEOptionsClass; override;
end;
implementation
{$R *.lfm}
uses
LCLIntf;
function TEditorDisplayOptionsFrame.FontSizeNegativeToPositive(NegativeSize: Integer): Integer;
var
tm: TTextMetric;
begin
DisplayPreview.Canvas.Font.Assign(DisplayPreview.Font);
if LCLIntf.GetTextMetrics(DisplayPreview.Canvas.Handle, tm) then
Result := -(NegativeSize + MulDiv(tm.tmInternalLeading, 72, DisplayPreview.Font.PixelsPerInch))
else
Result := -NegativeSize;
end;
procedure TEditorDisplayOptionsFrame.FontDialogApplyClicked(Sender: TObject);
var
a: Integer;
begin
with GeneralPage do
for a := Low(PreviewEdits) to High(PreviewEdits) do
if PreviewEdits[a] <> nil then
PreviewEdits[a].Font.Assign(TFontDialog(Sender).Font);
SetComboBoxText(EditorFontComboBox, DisplayPreview.Font.Name,cstCaseInsensitive);
SetEditorFontSizeSpinEditValue(DisplayPreview.Font.Size);
end;
function TEditorDisplayOptionsFrame.DoSynEditMouse(var AnInfo: TSynEditMouseActionInfo;
HandleActionProc: TSynEditMouseActionHandler): Boolean;
begin
Result := true;
end;
procedure TEditorDisplayOptionsFrame.EditorFontButtonClick(Sender: TObject);
var
FontDialog: TFontDialog;
CurFontSize: Integer;
begin
FontDialog := TFontDialog.Create(nil);
try
with FontDialog do
begin
Font.Name := EditorFontComboBox.Text;
CurFontSize := EditorFontSizeSpinEdit.Value;
if CurFontSize < 0 then
begin
CurFontSize := FontSizeNegativeToPositive(CurFontSize);
RepairEditorFontSize(CurFontSize);
end;
Font.Size := CurFontSize;
Options := Options + [fdApplyButton];
OnApplyClicked := @FontDialogApplyClicked;
if Execute then
FontDialogApplyClicked(FontDialog);
end;
finally
FontDialog.Free;
end;
end;
procedure TEditorDisplayOptionsFrame.EditorFontComboBoxEditingDone(Sender: TObject);
var
i: Integer;
begin
with GeneralPage do
for i := Low(PreviewEdits) to High(PreviewEdits) do
if PreviewEdits[i] <> nil then
PreviewEdits[i].Font.Name := EditorFontComboBox.Text;
end;
procedure TEditorDisplayOptionsFrame.EditorFontSizeSpinEditChange(Sender: TObject);
var
NewVal, a: Integer;
begin
NewVal := EditorFontSizeSpinEdit.Value;
if (NewVal < 0) and (NewVal > -EditorOptionsMinimumFontSize) then
begin
// Skip to minimum positive value. Will trigger OnChange again.
SetEditorFontSizeSpinEditValue(EditorOptionsMinimumFontSize);
end
else
begin
if (NewVal > 0) and not FUpdatingFontSizeRange then
EditorFontSizeSpinEdit.MinValue := EditorOptionsMinimumFontSize;
with GeneralPage do
for a := Low(PreviewEdits) to High(PreviewEdits) do
if PreviewEdits[a] <> nil then
PreviewEdits[a].Font.Size := NewVal;
end;
end;
procedure TEditorDisplayOptionsFrame.ComboboxOnExit(Sender: TObject);
var
NewVal, a: Integer;
begin
if Sender = ExtraCharSpacingComboBox then
begin
NewVal := StrToIntDef(ExtraCharSpacingComboBox.Text, DisplayPreview.ExtraCharSpacing);
SetComboBoxText(ExtraCharSpacingComboBox, IntToStr(NewVal),cstCaseInsensitive);
with GeneralPage do
for a := Low(PreviewEdits) to High(PreviewEdits) do
if PreviewEdits[a] <> Nil then
PreviewEdits[a].ExtraCharSpacing := NewVal;
end
else
if Sender = ExtraLineSpacingComboBox then
begin
NewVal := StrToIntDef(ExtraLineSpacingComboBox.Text, DisplayPreview.ExtraLineSpacing);
SetComboBoxText(ExtraLineSpacingComboBox, IntToStr(NewVal),cstCaseInsensitive);
with GeneralPage do
for a := Low(PreviewEdits) to High(PreviewEdits) do
if PreviewEdits[a] <> Nil then
PreviewEdits[a].ExtraLineSpacing := NewVal;
end
else
if Sender = RightMarginComboBox then
begin
NewVal := StrToIntDef(RightMarginComboBox.Text, DisplayPreview.RightEdge);
SetComboBoxText(RightMarginComboBox, IntToStr(NewVal),cstCaseInsensitive);
with GeneralPage do
for a := Low(PreviewEdits) to High(PreviewEdits) do
if PreviewEdits[a] <> nil then
begin
PreviewEdits[a].RightEdge := NewVal;
if VisibleRightMarginCheckBox.Checked then
PreviewEdits[a].Options := PreviewEdits[a].Options - [eoHideRightMargin]
else
PreviewEdits[a].Options := PreviewEdits[a].Options + [eoHideRightMargin];
end;
end;
end;
procedure TEditorDisplayOptionsFrame.ComboBoxOnKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
begin
if (ssCtrl in Shift) and (Key = VK_S) then
ComboBoxOnExit(Sender);
end;
procedure TEditorDisplayOptionsFrame.ComboboxOnChange(Sender: TObject);
var
ComboBox: TComboBox absolute Sender;
begin
if ComboBox.Items.IndexOf(ComboBox.Text) >= 0 then
ComboBoxOnExit(Sender);
end;
procedure TEditorDisplayOptionsFrame.GeneralCheckBoxOnChange(Sender: TObject);
var
a: integer;
AGeneralPage: TEditorGeneralOptionsFrame;
Separator: TSynGutterSeparator;
begin
AGeneralPage := GeneralPage;
if AGeneralPage = nil then
Exit;
with AGeneralPage do
for a := Low(PreviewEdits) to High(PreviewEdits) do
if PreviewEdits[a] <> nil then
begin
PreviewEdits[a].Gutter.Visible := VisibleGutterCheckBox.Checked;
PreviewEdits[a].RightGutter.Visible := chkShowOverview.Checked;
PreviewEdits[a].Gutter.LineNumberPart.Visible
:= ShowLineNumbersCheckBox.Checked;
if Assigned(PreviewEdits[a].Gutter.Parts.ByClass[TSynGutterLineNumber, 0]) then
TSynGutterLineNumber(PreviewEdits[a].Gutter.Parts.ByClass[TSynGutterLineNumber, 0])
.ShowOnlyLineNumbersMultiplesOf := ShowOnlyLineNumbersMultiplesOfSpinEdit.Value;
Separator := TSynGutterSeparator(PreviewEdits[a].Gutter.Parts.ByClass[TSynGutterSeparator, 0]);
if Assigned(Separator) then
begin
Separator.Visible := GutterSeparatorIndexSpinBox.Value <> -1;
if Separator.Visible then
Separator.Index := GutterSeparatorIndexSpinBox.Value;
end;
PreviewEdits[a].RightEdge := StrToIntDef(RightMarginComboBox.Text, 80);
if VisibleRightMarginCheckBox.Checked then
PreviewEdits[a].Options := PreviewEdits[a].Options - [eoHideRightMargin]
else
PreviewEdits[a].Options := PreviewEdits[a].Options + [eoHideRightMargin];
if DisableAntialiasingCheckBox.Checked then
PreviewEdits[a].Font.Quality := fqNonAntialiased
else
PreviewEdits[a].Font.Quality := fqDefault;
end;
end;
procedure TEditorDisplayOptionsFrame.RightMarginColorLinkClick(Sender: TObject);
var
col: TEditorColorOptionsFrame;
begin
col := TEditorColorOptionsFrame(FDialog.FindEditor(TEditorColorOptionsFrame));
if col = nil then exit;
FDialog.OpenEditor(TEditorColorOptionsFrame);
col.SelectAhaColor(ahaRightMargin);
end;
procedure TEditorDisplayOptionsFrame.RightMarginColorLinkMouseEnter(Sender: TObject);
begin
(Sender as TLabel).Font.Underline := True;
(Sender as TLabel).Font.Color := clRed;
end;
procedure TEditorDisplayOptionsFrame.RightMarginColorLinkMouseLeave(Sender: TObject);
begin
(Sender as TLabel).Font.Underline := False;
(Sender as TLabel).Font.Color := clBlue;
end;
procedure TEditorDisplayOptionsFrame.ShowLineNumbersCheckBoxClick(Sender: TObject);
begin
ShowOnlyLineNumbersMultiplesOfSpinEdit.Enabled := ShowLineNumbersCheckBox.Checked;
ShowOnlyLineNumbersMultiplesOfLabel.Enabled := ShowLineNumbersCheckBox.Checked;
end;
function TEditorDisplayOptionsFrame.GeneralPage: TEditorGeneralOptionsFrame; inline;
begin
Result := TEditorGeneralOptionsFrame(FDialog.FindEditor(TEditorGeneralOptionsFrame));
end;
procedure TEditorDisplayOptionsFrame.SetEditorFontSizeSpinEditValue(FontSize: Integer);
begin
FUpdatingFontSizeRange := True;
if FontSize < 0 then
EditorFontSizeSpinEdit.MinValue := -EditorFontSizeSpinEdit.MaxValue
else
EditorFontSizeSpinEdit.MinValue := EditorOptionsMinimumFontSize;
FUpdatingFontSizeRange := False;
EditorFontSizeSpinEdit.Value := FontSize;
end;
function TEditorDisplayOptionsFrame.GetTitle: String;
begin
Result := dlgEdDisplay;
end;
procedure TEditorDisplayOptionsFrame.Setup(ADialog: TAbstractOptionsEditorDialog);
begin
// Prevent the caret from moving
DisplayPreview.RegisterMouseActionSearchHandler(@DoSynEditMouse);
FDialog := ADialog;
FUpdatingFontSizeRange := False;
MarginAndGutterGroupBox.Caption := dlgMarginGutter;
VisibleRightMarginCheckBox.Caption := dlgVisibleRightMargin;
VisibleGutterCheckBox.Caption := dlgVisibleGutter;
ShowLineNumbersCheckBox.Caption := dlgShowLineNumbers;
ShowOnlyLineNumbersMultiplesOfLabel.Caption := lisEveryNThLineNumber;
GutterSeparatorIndexLabel.Caption := dlgGutterSeparatorIndex;
RightMarginLabel.Caption := dlgRightMargin;
EditorFontGroupBox.Caption := dlgDefaultEditorFont;
EditorFontSizeLabel.Caption := dlgEditorFontSize;
ExtraCharSpacingLabel.Caption := dlgExtraCharSpacing;
ExtraLineSpacingLabel.Caption := dlgExtraLineSpacing;
DisableAntialiasingCheckBox.Caption := dlgDisableAntialiasing;
RightMarginColorLink.Caption := dlgColorLink;
chkShowOverview.Caption := lisShowOverviewGutter;
chkTopInfoView.Caption := lisTopInfoView;
with GeneralPage do
AddPreviewEdit(DisplayPreview);
with TSynGutterSeparator.Create(DisplayPreview.RightGutter.Parts) do
Name := 'DPSynGutterSeparatorR2';
with TSynGutterLineOverview.Create(DisplayPreview.RightGutter.Parts) do begin
Name := 'DPSynGutterLineOverview1';
with TIDESynGutterLOvProviderIDEMarks.Create(Providers) do
Priority := 20;
with TSynGutterLOvProviderModifiedLines.Create(Providers) do
Priority := 9;
with TSynGutterLOvProviderCurrentPage.Create(Providers) do
Priority := 1;
with TIDESynGutterLOvProviderPascal.Create(Providers) do
Priority := 0;
end;
with TSynGutterSeparator.Create(DisplayPreview.RightGutter.Parts) do begin
Name := 'DPSynGutterSeparatorR3';
AutoSize := False;
Width := 1;
LineWidth := 0;
end;
end;
procedure TEditorDisplayOptionsFrame.ReadSettings(AOptions: TAbstractIDEOptions);
begin
with AOptions as TEditorOptions do
begin
// init the spin-edit first, since it does not trigger on change,
// but is copied when checkboxes are initialized
ShowOnlyLineNumbersMultiplesOfSpinEdit.Value := ShowOnlyLineNumbersMultiplesOf;
GutterSeparatorIndexSpinBox.Value := GutterSeparatorIndex;
VisibleRightMarginCheckBox.Checked := VisibleRightMargin;
VisibleGutterCheckBox.Checked := VisibleGutter;
ShowLineNumbersCheckBox.Checked := ShowLineNumbers;
VisibleRightMarginCheckBox.Checked := VisibleRightMargin;
SetComboBoxText(RightMarginComboBox, IntToStr(RightMargin),cstCaseInsensitive);
SetComboBoxText(EditorFontComboBox, EditorFont,cstCaseInsensitive);
SetEditorFontSizeSpinEditValue(EditorFontSize);
SetComboBoxText(ExtraCharSpacingComboBox, IntToStr(ExtraCharSpacing),cstCaseInsensitive);
SetComboBoxText(ExtraLineSpacingComboBox, IntToStr(ExtraLineSpacing),cstCaseInsensitive);
DisableAntialiasingCheckBox.Checked := DisableAntialiasing;
chkShowOverview.Checked := ShowOverviewGutter;
chkTopInfoView.Checked := TopInfoView;
end;
ShowOnlyLineNumbersMultiplesOfLabel.Enabled := ShowLineNumbersCheckBox.Checked;
ShowOnlyLineNumbersMultiplesOfSpinEdit.Enabled := ShowLineNumbersCheckBox.Checked;
end;
procedure TEditorDisplayOptionsFrame.WriteSettings(AOptions: TAbstractIDEOptions);
begin
with AOptions as TEditorOptions do
begin
VisibleRightMargin := VisibleRightMarginCheckBox.Checked;
VisibleGutter := VisibleGutterCheckBox.Checked;
ShowLineNumbers := ShowLineNumbersCheckBox.Checked;
ShowOnlyLineNumbersMultiplesOf := ShowOnlyLineNumbersMultiplesOfSpinEdit.Value;
GutterSeparatorIndex := GutterSeparatorIndexSpinBox.Value;
VisibleRightMargin := VisibleRightMarginCheckBox.Checked;
RightMargin := StrToIntDef(RightMarginComboBox.Text, 80);
EditorFont := EditorFontComboBox.Text;
EditorFontSize := EditorFontSizeSpinEdit.Value;
ExtraCharSpacing := StrToIntDef(ExtraCharSpacingComboBox.Text, ExtraCharSpacing);
ExtraLineSpacing := StrToIntDef(ExtraLineSpacingComboBox.Text, ExtraLineSpacing);
DisableAntialiasing := DisableAntialiasingCheckBox.Checked;
ShowOverviewGutter := chkShowOverview.Checked;
TopInfoView := chkTopInfoView.Checked;
end;
end;
class function TEditorDisplayOptionsFrame.SupportedOptionsClass: TAbstractIDEOptionsClass;
begin
Result := TEditorOptions;
end;
initialization
RegisterIDEOptionsEditor(GroupEditor, TEditorDisplayOptionsFrame, EdtOptionsDisplay);
end.