Adds a very basic colorwheel demo project.

5 files changed, 359 insertions, 0 deletions

diff --git a/examples/gui/colorwheel/colorwheel_test.lpi b/examples/gui/colorwheel/colorwheel_test.lpi
new file mode 100644
index 00000000..41da8416
--- /dev/null
+++ b/examples/gui/colorwheel/colorwheel_test.lpi
@@ -0,0 +1,65 @@
+<?xml version="1.0"?>
+<CONFIG>
+  <ProjectOptions>
+    <Version Value="7"/>
+    <General>
+      <Flags>
+        <SaveOnlyProjectUnits Value="True"/>
+      </Flags>
+      <SessionStorage Value="InProjectDir"/>
+      <MainUnit Value="0"/>
+      <TargetFileExt Value=""/>
+      <Title Value="colorwheel_test"/>
+      <UseAppBundle Value="False"/>
+    </General>
+    <VersionInfo>
+      <ProjectVersion Value=""/>
+    </VersionInfo>
+    <PublishOptions>
+      <Version Value="2"/>
+      <IgnoreBinaries Value="False"/>
+      <IncludeFileFilter Value="*.(pas|pp|inc|lfm|lpr|lrs|lpi|lpk|sh|xml)"/>
+      <ExcludeFileFilter Value="*.(bak|ppu|ppw|o|so);*~;backup"/>
+    </PublishOptions>
+    <RunParams>
+      <local>
+        <FormatVersion Value="1"/>
+        <LaunchingApplication PathPlusParams="/usr/X11R6/bin/xterm -T 'Lazarus Run Output' -e $(LazarusDir)/tools/runwait.sh $(TargetCmdLine)"/>
+      </local>
+    </RunParams>
+    <RequiredPackages Count="1">
+      <Item1>
+        <PackageName Value="fpgui_toolkit"/>
+      </Item1>
+    </RequiredPackages>
+    <Units Count="2">
+      <Unit0>
+        <Filename Value="colorwheel_test.lpr"/>
+        <IsPartOfProject Value="True"/>
+        <UnitName Value="colorwheel_test"/>
+      </Unit0>
+      <Unit1>
+        <Filename Value="frm_main.pas"/>
+        <IsPartOfProject Value="True"/>
+        <UnitName Value="frm_main"/>
+      </Unit1>
+    </Units>
+  </ProjectOptions>
+  <CompilerOptions>
+    <Version Value="8"/>
+    <SearchPaths>
+      <IncludeFiles Value="$(ProjOutDir)/"/>
+    </SearchPaths>
+    <Parsing>
+      <SyntaxOptions>
+        <CStyleOperator Value="False"/>
+        <AllowLabel Value="False"/>
+        <CPPInline Value="False"/>
+      </SyntaxOptions>
+    </Parsing>
+    <Other>
+      <CustomOptions Value="-FUunits"/>
+      <CompilerPath Value="$(CompPath)"/>
+    </Other>
+  </CompilerOptions>
+</CONFIG>
diff --git a/examples/gui/colorwheel/colorwheel_test.lpr b/examples/gui/colorwheel/colorwheel_test.lpr
new file mode 100644
index 00000000..230ca079
--- /dev/null
+++ b/examples/gui/colorwheel/colorwheel_test.lpr
@@ -0,0 +1,29 @@
+program colorwheel_test;
+
+{$mode objfpc}{$H+}
+
+uses
+  {$IFDEF UNIX}{$IFDEF UseCThreads}
+  cthreads,
+  {$ENDIF}{$ENDIF}
+  Classes, fpg_base, fpg_main, frm_main;
+
+procedure MainProc;
+var
+  frm: TMainForm;
+begin
+  fpgApplication.Initialize;
+  frm := TMainForm.Create(nil);
+  try
+    frm.Show;
+    fpgApplication.Run;
+  finally
+    frm.Free;
+  end;
+end;
+
+begin
+  MainProc;
+end.
+
+
diff --git a/examples/gui/colorwheel/extrafpc.cfg b/examples/gui/colorwheel/extrafpc.cfg
new file mode 100644
index 00000000..775d592f
--- /dev/null
+++ b/examples/gui/colorwheel/extrafpc.cfg
@@ -0,0 +1,5 @@
+-FUunits
+-Fu../../../lib/$fpctarget
+-Xs
+-XX
+-CX
diff --git a/examples/gui/colorwheel/frm_main.pas b/examples/gui/colorwheel/frm_main.pas
new file mode 100644
index 00000000..bc651e16
--- /dev/null
+++ b/examples/gui/colorwheel/frm_main.pas
@@ -0,0 +1,259 @@
+unit frm_main;
+
+{$mode objfpc}{$H+}
+
+interface
+
+uses
+  SysUtils, Classes, fpg_base, fpg_main, fpg_widget,
+  fpg_edit, fpg_form, fpg_label, fpg_button,
+  fpg_dialogs, fpg_menu,
+  fpg_panel, fpg_ColorWheel;
+
+type
+
+  TMainForm = class(TfpgForm)
+  private
+    {@VFD_HEAD_BEGIN: MainForm}
+    Button1: TfpgButton;
+    ColorWheel1: TfpgColorWheel;
+    ValueBar1: TfpgValueBar;
+    Bevel1: TfpgBevel;
+    Label1: TfpgLabel;
+    Label2: TfpgLabel;
+    Label3: TfpgLabel;
+    edH: TfpgEdit;
+    edS: TfpgEdit;
+    edV: TfpgEdit;
+    Label4: TfpgLabel;
+    Label5: TfpgLabel;
+    Label6: TfpgLabel;
+    edR: TfpgEdit;
+    edG: TfpgEdit;
+    edB: TfpgEdit;
+    {@VFD_HEAD_END: MainForm}
+    procedure btnQuitClicked(Sender: TObject);
+    procedure btnGetColorClicked(Sender: TObject);
+    procedure ColorChanged(Sender: TObject);
+    procedure RGBChanged(Sender: TObject);
+  public
+    procedure AfterCreate; override;
+  end;
+
+{@VFD_NEWFORM_DECL}
+
+implementation
+
+
+{@VFD_NEWFORM_IMPL}
+
+procedure TMainForm.ColorChanged(Sender: TObject);
+begin
+  btnGetColorClicked(nil);
+end;
+
+procedure TMainForm.RGBChanged(Sender: TObject);
+var
+  rgb: TRGBTriple;
+  c: TfpgColor;
+begin
+  rgb.Red := StrToInt(edR.Text);
+  rgb.Green := StrToInt(edG.Text);
+  rgb.Blue := StrToInt(edB.Text);
+  c := RGBTripleTofpgColor(rgb);
+  ColorWheel1.SetSelectedColor(c);
+  btnGetColorClicked(nil);
+end;
+
+procedure TMainForm.btnQuitClicked(Sender: TObject);
+begin
+  Close;
+end;
+
+procedure TMainForm.btnGetColorClicked(Sender: TObject);
+begin
+  edH.Text := IntToStr(ColorWheel1.Hue);
+  edS.Text := FormatFloat('0.000', ColorWheel1.Saturation);
+  edV.Text := FormatFloat('0.000', ValueBar1.Value);
+  Bevel1.BackgroundColor := ValueBar1.SelectedColor;
+end;
+
+procedure TMainForm.AfterCreate;
+begin
+  {@VFD_BODY_BEGIN: MainForm}
+  Name := 'MainForm';
+  SetPosition(330, 202, 542, 411);
+  WindowTitle := 'ColorWheel test app';
+  WindowPosition := wpUser;
+
+  Button1 := TfpgButton.Create(self);
+  with Button1 do
+  begin
+    Name := 'Button1';
+    SetPosition(448, 376, 80, 26);
+    Anchors := [anRight,anBottom];
+    Text := 'Quit';
+    FontDesc := '#Label1';
+    Hint := '';
+    ImageName := '';
+    TabOrder := 0;
+    OnClick  := @btnQuitClicked;
+  end;
+
+  ColorWheel1 := TfpgColorWheel.Create(self);
+  with ColorWheel1 do
+  begin
+    Name := 'ColorWheel1';
+    SetPosition(20, 20, 272, 244);
+    OnChange  := @ColorChanged;
+  end;
+
+  ValueBar1 := TfpgValueBar.Create(self);
+  with ValueBar1 do
+  begin
+    Name := 'ValueBar1';
+    SetPosition(304, 20, 52, 244);
+    OnChange  := @ColorChanged;
+  end;
+
+  Bevel1 := TfpgBevel.Create(self);
+  with Bevel1 do
+  begin
+    Name := 'Bevel1';
+    SetPosition(20, 288, 76, 56);
+  end;
+
+  Label1 := TfpgLabel.Create(self);
+  with Label1 do
+  begin
+    Name := 'Label1';
+    SetPosition(140, 284, 52, 18);
+    FontDesc := '#Label1';
+    Hint := '';
+    Text := 'Hue';
+  end;
+
+  Label2 := TfpgLabel.Create(self);
+  with Label2 do
+  begin
+    Name := 'Label2';
+    SetPosition(140, 316, 52, 18);
+    FontDesc := '#Label1';
+    Hint := '';
+    Text := 'Sat';
+  end;
+
+  Label3 := TfpgLabel.Create(self);
+  with Label3 do
+  begin
+    Name := 'Label3';
+    SetPosition(140, 344, 52, 18);
+    FontDesc := '#Label1';
+    Hint := '';
+    Text := 'Val';
+  end;
+
+  edH := TfpgEdit.Create(self);
+  with edH do
+  begin
+    Name := 'edH';
+    SetPosition(196, 280, 56, 26);
+    TabOrder := 8;
+    Text := '';
+    FontDesc := '#Edit1';
+  end;
+
+  edS := TfpgEdit.Create(self);
+  with edS do
+  begin
+    Name := 'edS';
+    SetPosition(196, 308, 56, 26);
+    TabOrder := 9;
+    Text := '';
+    FontDesc := '#Edit1';
+  end;
+
+  edV := TfpgEdit.Create(self);
+  with edV do
+  begin
+    Name := 'edV';
+    SetPosition(196, 336, 56, 26);
+    TabOrder := 10;
+    Text := '';
+    FontDesc := '#Edit1';
+  end;
+
+  Label4 := TfpgLabel.Create(self);
+  with Label4 do
+  begin
+    Name := 'Label4';
+    SetPosition(284, 284, 56, 18);
+    FontDesc := '#Label1';
+    Hint := '';
+    Text := 'Red';
+  end;
+
+  Label5 := TfpgLabel.Create(self);
+  with Label5 do
+  begin
+    Name := 'Label5';
+    SetPosition(284, 316, 56, 18);
+    FontDesc := '#Label1';
+    Hint := '';
+    Text := 'Green';
+  end;
+
+  Label6 := TfpgLabel.Create(self);
+  with Label6 do
+  begin
+    Name := 'Label6';
+    SetPosition(284, 344, 56, 18);
+    FontDesc := '#Label1';
+    Hint := '';
+    Text := 'Blue';
+  end;
+
+  edR := TfpgEdit.Create(self);
+  with edR do
+  begin
+    Name := 'edR';
+    SetPosition(364, 280, 44, 26);
+    TabOrder := 13;
+    Text := '255';
+    FontDesc := '#Edit1';
+    OnExit  := @RGBChanged;
+  end;
+
+  edG := TfpgEdit.Create(self);
+  with edG do
+  begin
+    Name := 'edG';
+    SetPosition(364, 308, 44, 26);
+    TabOrder := 14;
+    Text := '255';
+    FontDesc := '#Edit1';
+    OnExit := @RGBChanged;
+  end;
+
+  edB := TfpgEdit.Create(self);
+  with edB do
+  begin
+    Name := 'edB';
+    SetPosition(364, 336, 44, 26);
+    TabOrder := 15;
+    Text := '255';
+    FontDesc := '#Edit1';
+    OnExit := @RGBChanged;
+  end;
+
+  {@VFD_BODY_END: MainForm}
+
+  // link the two components
+  ColorWheel1.ValueBar := ValueBar1;
+//  ColorWheel1.BackgroundColor := clFuchsia;
+//  ValueBar1.BackgroundColor := clFuchsia;
+//  ColorWheel1.CursorSize := 400;
+end;
+
+
+end.
diff --git a/examples/gui/colorwheel/units/.gitignore b/examples/gui/colorwheel/units/.gitignore
new file mode 100644
index 00000000..72e8ffc0
--- /dev/null
+++ b/examples/gui/colorwheel/units/.gitignore
@@ -0,0 +1 @@
+*