diff options
author | Graeme Geldenhuys <graeme@mastermaths.co.za> | 2010-09-23 14:32:12 +0200 |
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committer | Graeme Geldenhuys <graeme@mastermaths.co.za> | 2010-09-23 14:32:12 +0200 |
commit | ba3777d4c35ecdf196e0b9add276ec51f611689e (patch) | |
tree | 9c102df96a0e288989f3a41d5830569ba478fcfe /examples | |
parent | 083274be42b205136eb267daeae556bb1be49f96 (diff) | |
download | fpGUI-ba3777d4c35ecdf196e0b9add276ec51f611689e.tar.xz |
Editable Grid Demo: a very quick example how inline grid editing.
Diffstat (limited to 'examples')
-rw-r--r-- | examples/gui/gridediting/extrafpc.cfg | 5 | ||||
-rw-r--r-- | examples/gui/gridediting/frm_main.pas | 172 | ||||
-rw-r--r-- | examples/gui/gridediting/gridediting.lpi | 71 | ||||
-rw-r--r-- | examples/gui/gridediting/gridediting.lpr | 29 | ||||
-rw-r--r-- | examples/gui/gridediting/units/placeholder.txt | 0 |
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 |