Editable Grid Demo: a very quick example how inline grid editing.

5 files changed, 277 insertions, 0 deletions

diff --git a/examples/gui/gridediting/extrafpc.cfg b/examples/gui/gridediting/extrafpc.cfg
new file mode 100644
index 00000000..775d592f
--- /dev/null
+++ b/examples/gui/gridediting/extrafpc.cfg
@@ -0,0 +1,5 @@
+-FUunits
+-Fu../../../lib/$fpctarget
+-Xs
+-XX
+-CX
diff --git a/examples/gui/gridediting/frm_main.pas b/examples/gui/gridediting/frm_main.pas
new file mode 100644
index 00000000..51480595
--- /dev/null
+++ b/examples/gui/gridediting/frm_main.pas
@@ -0,0 +1,172 @@
+unit frm_main;
+
+{$mode objfpc}{$H+}
+
+interface
+
+uses
+  SysUtils, Classes, fpg_base, fpg_main, fpg_form, fpg_basegrid,
+  fpg_grid, fpg_button, fpg_edit, fpg_label;
+
+type
+
+  TMainForm = class(TfpgForm)
+  private
+    {@VFD_HEAD_BEGIN: MainForm}
+    Grid1: TfpgStringGrid;
+    btnQuit: TfpgButton;
+    Label1: TfpgLabel;
+    {@VFD_HEAD_END: MainForm}
+    FCellEdit: TfpgEdit;
+    FFocusRect: TfpgRect;
+    FLastGrid: TfpgStringGrid; // reference only
+    procedure SetupCellEdit(AGrid: TfpgStringGrid);
+    procedure CellEditExit(Sender: TObject);
+    procedure CellEditKeypressed(Sender: TObject; var KeyCode: word; var ShiftState: TShiftState; var Consumed: boolean);
+    procedure GridKeyPressed(Sender: TObject; var KeyCode: word; var ShiftState: TShiftState; var Consumed: boolean);
+    procedure GridDrawCell(Sender: TObject; const ARow, ACol: Integer; const ARect: TfpgRect; const AFlags: TfpgGridDrawState; var ADefaultDrawing: boolean);
+    procedure ButtonQuitClicked(Sender: TObject);
+  public
+    procedure AfterCreate; override;
+  end;
+
+{@VFD_NEWFORM_DECL}
+
+implementation
+
+{@VFD_NEWFORM_IMPL}
+
+procedure TMainForm.GridKeyPressed(Sender: TObject; var KeyCode: word;
+  var ShiftState: TShiftState; var Consumed: boolean);
+begin
+  if (KeyCode = keyInsert) and (ssCtrl in ShiftState) then
+  begin
+    TfpgStringGrid(Sender).RowCount := TfpgStringGrid(Sender).RowCount + 1;
+    Consumed := True;
+    Exit;
+  end;
+
+  if (KeyCode = keyF2) or (KeyCode = keyReturn) then
+  begin
+    // we need to edit the cell contents
+    SetupCellEdit(TfpgStringGrid(Sender));
+    Consumed := True;
+  end;
+end;
+
+procedure TMainForm.GridDrawCell(Sender: TObject; const ARow, ACol: Integer;
+  const ARect: TfpgRect; const AFlags: TfpgGridDrawState; var ADefaultDrawing: boolean);
+begin
+  if (gdSelected in AFlags) then
+  begin
+    FFocusRect := ARect;
+  end;
+end;
+
+procedure TMainForm.ButtonQuitClicked(Sender: TObject);
+begin
+  Close;
+end;
+
+procedure TMainForm.SetupCellEdit(AGrid: TfpgStringGrid);
+var
+  pt: TPoint;
+begin
+  if Assigned(FCellEdit) then
+    FCellEdit.Free;
+
+  FLastGrid := AGrid;
+  FCellEdit := TfpgEdit.Create(FLastGrid.Parent);
+  pt.X := FLastGrid.Left + FFocusRect.Left;
+  pt.Y := FLastGrid.Top + FFocusRect.Top;
+  with FCellEdit do
+  begin
+    Name := 'FCellEdit';
+    SetPosition(pt.X, pt.Y, FFocusRect.Width, FFocusRect.Height);
+    BorderStyle := ebsSingle;
+    FontDesc := '#Grid';
+    Text := AGrid.Cells[AGrid.FocusCol, AGrid.FocusRow];
+    OnKeyPress := @CellEditKeypressed;
+    OnExit  := @CellEditExit;
+    SetFocus;
+  end;
+end;
+
+procedure TMainForm.CellEditExit(Sender: TObject);
+begin
+  FCellEdit.Visible := False;
+end;
+
+procedure TMainForm.CellEditKeypressed(Sender: TObject; var KeyCode: word;
+  var ShiftState: TShiftState; var Consumed: boolean);
+begin
+  if KeyCode = keyReturn then
+  begin
+    FLastGrid.Cells[FLastGrid.FocusCol, FLastGrid.FocusRow] := FCellEdit.Text;
+    FCellEdit.Visible := False;
+    FLastGrid.SetFocus;
+  end;
+end;
+
+procedure TMainForm.AfterCreate;
+begin
+  {%region 'Auto-generated GUI code' -fold}
+  {@VFD_BODY_BEGIN: MainForm}
+  Name := 'MainForm';
+  SetPosition(356, 172, 431, 361);
+  WindowTitle := 'Editable StringGrid Demo';
+  Hint := '';
+
+  Grid1 := TfpgStringGrid.Create(self);
+  with Grid1 do
+  begin
+    Name := 'Grid1';
+    SetPosition(16, 76, 400, 239);
+    Anchors := [anLeft,anRight,anTop,anBottom];
+    AddColumn('#1', 100, taLeftJustify);
+    AddColumn('#2', 100, taLeftJustify);
+    AddColumn('#3', 100, taLeftJustify);
+    AddColumn('#4', 75, taLeftJustify);
+    FontDesc := '#Grid';
+    HeaderFontDesc := '#GridHeader';
+    Hint := '';
+    RowCount := 5;
+    RowSelect := False;
+    TabOrder := 1;
+    OnKeyPress  := @GridKeyPressed;
+    OnDrawCell  := @GridDrawCell;
+  end;
+
+  btnQuit := TfpgButton.Create(self);
+  with btnQuit do
+  begin
+    Name := 'btnQuit';
+    SetPosition(336, 329, 80, 24);
+    Anchors := [anRight,anBottom];
+    Text := 'Quit';
+    Down := False;
+    FontDesc := '#Label1';
+    Hint := '';
+    ImageName := '';
+    TabOrder := 2;
+    OnClick  := @ButtonQuitClicked;
+  end;
+
+  Label1 := TfpgLabel.Create(self);
+  with Label1 do
+  begin
+    Name := 'Label1';
+    SetPosition(16, 8, 400, 56);
+    Anchors := [anLeft,anRight,anTop];
+    FontDesc := '#Label1';
+    Hint := '';
+    Text := 'You can use Ctrl+Ins to add new grid lines. F2 or Enter will put you in edit mode. While in edit mode, changing focus or pressing Enter will take you back to non-edit mode.';
+    WrapText := True;
+  end;
+
+  {@VFD_BODY_END: MainForm}
+  {%endregion}
+end;
+
+
+end.
diff --git a/examples/gui/gridediting/gridediting.lpi b/examples/gui/gridediting/gridediting.lpi
new file mode 100644
index 00000000..13caff41
--- /dev/null
+++ b/examples/gui/gridediting/gridediting.lpi
@@ -0,0 +1,71 @@
+<?xml version="1.0"?>
+<CONFIG>
+  <ProjectOptions>
+    <Version Value="9"/>
+    <General>
+      <Flags>
+        <SaveOnlyProjectUnits Value="True"/>
+      </Flags>
+      <SessionStorage Value="None"/>
+      <MainUnit Value="0"/>
+      <UseAppBundle Value="False"/>
+    </General>
+    <i18n>
+      <EnableI18N LFM="False"/>
+    </i18n>
+    <VersionInfo>
+      <StringTable ProductVersion=""/>
+    </VersionInfo>
+    <PublishOptions>
+      <Version Value="2"/>
+      <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/bin/xterm -T 'Lazarus Run Output' -e $(LazarusDir)/tools/runwait.sh $(TargetCmdLine)"/>
+      </local>
+    </RunParams>
+    <RequiredPackages Count="1">
+      <Item1>
+        <PackageName Value="fpgui_toolkit"/>
+      </Item1>
+    </RequiredPackages>
+    <Units Count="2">
+      <Unit0>
+        <Filename Value="gridediting.lpr"/>
+        <IsPartOfProject Value="True"/>
+        <UnitName Value="gridediting"/>
+      </Unit0>
+      <Unit1>
+        <Filename Value="frm_main.pas"/>
+        <IsPartOfProject Value="True"/>
+        <UnitName Value="frm_main"/>
+      </Unit1>
+    </Units>
+  </ProjectOptions>
+  <CompilerOptions>
+    <Version Value="9"/>
+    <Other>
+      <CompilerMessages>
+        <UseMsgFile Value="True"/>
+      </CompilerMessages>
+      <CustomOptions Value="-FUunits"/>
+      <CompilerPath Value="$(CompPath)"/>
+    </Other>
+  </CompilerOptions>
+  <Debugging>
+    <Exceptions Count="3">
+      <Item1>
+        <Name Value="EAbort"/>
+      </Item1>
+      <Item2>
+        <Name Value="ECodetoolError"/>
+      </Item2>
+      <Item3>
+        <Name Value="EFOpenError"/>
+      </Item3>
+    </Exceptions>
+  </Debugging>
+</CONFIG>
diff --git a/examples/gui/gridediting/gridediting.lpr b/examples/gui/gridediting/gridediting.lpr
new file mode 100644
index 00000000..fc21969d
--- /dev/null
+++ b/examples/gui/gridediting/gridediting.lpr
@@ -0,0 +1,29 @@
+program gridediting;
+
+{$mode objfpc}{$H+}
+
+uses
+  {$IFDEF UNIX}{$IFDEF UseCThreads}
+  cthreads,
+  {$ENDIF}{$ENDIF}
+  Classes, fpg_main, fpg_form, 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/gridediting/units/placeholder.txt b/examples/gui/gridediting/units/placeholder.txt
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/examples/gui/gridediting/units/placeholder.txt