diff options
author | graemeg <graemeg@ae50a9b5-8222-0410-bf8d-8a13f76226bf> | 2007-08-12 16:15:21 +0000 |
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committer | graemeg <graemeg@ae50a9b5-8222-0410-bf8d-8a13f76226bf> | 2007-08-12 16:15:21 +0000 |
commit | 68c345d04c323d1e98b83236c465c63a916260cd (patch) | |
tree | b86d652551ce2b6aae1dc323f90759d2c8fa298b | |
parent | 97dfb85b7f7da2140a91675c499e2c61bfe86a7c (diff) | |
download | fpGUI-68c345d04c323d1e98b83236c465c63a916260cd.tar.xz |
* Implemented a Base Dialog class.
* Implemented 95% of the Font Select dialog.
* Completed the FontSelect example project.
-rw-r--r-- | examples/gui/fontselect/fontselect.lpi | 2 | ||||
-rw-r--r-- | examples/gui/fontselect/fontselect.lpr | 55 | ||||
-rw-r--r-- | src/corelib/fpgfx.pas | 14 | ||||
-rw-r--r-- | src/corelib/gfxbase.pas | 2 | ||||
-rw-r--r-- | src/gui/gui_dialogs.pas | 399 | ||||
-rw-r--r-- | src/gui/gui_edit.pas | 10 | ||||
-rw-r--r-- | src/gui/gui_listbox.pas | 2 |
7 files changed, 422 insertions, 62 deletions
diff --git a/examples/gui/fontselect/fontselect.lpi b/examples/gui/fontselect/fontselect.lpi index 18b66abc..230ba30c 100644 --- a/examples/gui/fontselect/fontselect.lpi +++ b/examples/gui/fontselect/fontselect.lpi @@ -9,6 +9,7 @@ </Flags> <SessionStorage Value="InProjectDir"/> <MainUnit Value="0"/> + <IconPath Value="./"/> <TargetFileExt Value=""/> </General> <VersionInfo> @@ -16,7 +17,6 @@ </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> diff --git a/examples/gui/fontselect/fontselect.lpr b/examples/gui/fontselect/fontselect.lpr index f47d996f..cc9f1ca6 100644 --- a/examples/gui/fontselect/fontselect.lpr +++ b/examples/gui/fontselect/fontselect.lpr @@ -10,7 +10,10 @@ uses fpgfx, gui_form, gui_dialogs, - gui_button; + gui_button, + gui_listbox, + gui_edit, + gui_label; type @@ -18,8 +21,12 @@ type private btnQuit: TfpgButton; btnSelectFont: TfpgButton; + lbFontList: TfpgListBox; + edFontDesc: TfpgEdit; + lblFontList: TfpgLabel; procedure btnQuitClick(Sender: TObject); procedure btnSelectFontClick(Sender: TObject); + procedure CreateFontList; public constructor Create(AOwner: TComponent); override; end; @@ -33,17 +40,23 @@ end; procedure TMainForm.btnSelectFontClick(Sender: TObject); var - frm: TfpgFontSelect; + fontdesc: string; begin - frm := TfpgFontSelect.Create(nil); - try - if frm.ShowModal = 1 then - begin - // query font selected in dialog - end; - finally - frm.Free; - end; + fontdesc := edFontDesc.Text; + if SelectFontDialog(fontdesc) then + edFontDesc.Text := fontdesc; +end; + +procedure TMainForm.CreateFontList; +var + fl: TStringList; + i: integer; +begin + lbFontList.Items.Clear; + fl := fpgApplication.GetFontFaceList; + for i := 0 to fl.Count-1 do + lbFontList.Items.Add(fl.Strings[i]); + fl.Free; end; constructor TMainForm.Create(AOwner: TComponent); @@ -51,13 +64,29 @@ begin inherited Create(AOwner); WindowTitle := 'Font selection test'; SetPosition(100, 100, 500, 400); + + btnSelectFont := CreateButton(self, 10, 10, 110, 'Select Font...', @btnSelectFontClick); + + edFontDesc := CreateEdit(self, 10, 45, Width - 20, 24); +// edFontDesc.Text := fpgApplication.DefaultFont.FontDesc; + edFontDesc.Text := 'Bitstream Vera Sans-9'; + + lblFontList := CreateLabel(self, 10, 80, 'Font List:'); + lbFontList := TfpgListBox.Create(self); + with lbFontList do + begin + SetPosition(10, 100, 232, 236); + Items.Clear; + end; + + CreateFontList; btnQuit := CreateButton(self, 415, 370, 80, 'Quit', @btnQuitClick); btnQuit.ImageName := 'stdimg.Quit'; btnQuit.ShowImage := True; btnQuit.Anchors := [anRight, anBottom]; - - btnSelectFont := CreateButton(self, 10, 20, 110, 'Select Font...', @btnSelectFontClick); + + btnSelectFont.TabOrder := 0; end; procedure MainProc; diff --git a/src/corelib/fpgfx.pas b/src/corelib/fpgfx.pas index 2e737fff..62a20302 100644 --- a/src/corelib/fpgfx.pas +++ b/src/corelib/fpgfx.pas @@ -847,16 +847,16 @@ end; constructor TfpgStyle.Create; begin // Setup font aliases - fpgSetNamedFont('Label1', 'Arial-10'); - fpgSetNamedFont('Label2', 'Arial-10:bold'); - fpgSetNamedFont('Edit1', 'Arial-10'); + fpgSetNamedFont('Label1', FPG_DEFAULT_FONT_DESC); + fpgSetNamedFont('Label2', FPG_DEFAULT_FONT_DESC + ':bold'); + fpgSetNamedFont('Edit1', FPG_DEFAULT_FONT_DESC); fpgSetNamedFont('Edit2', 'Courier New-10'); - fpgSetNamedFont('List', 'Arial-10'); + fpgSetNamedFont('List', FPG_DEFAULT_FONT_DESC); fpgSetNamedFont('Grid', 'Arial-9'); fpgSetNamedFont('GridHeader', 'Arial-9:bold'); - fpgSetNamedFont('Menu', 'Arial-10'); - fpgSetNamedFont('MenuAccel', 'Arial-10:bold'); - fpgSetNamedFont('MenuDisabled', 'Arial-10:italic'); + fpgSetNamedFont('Menu', FPG_DEFAULT_FONT_DESC); + fpgSetNamedFont('MenuAccel', FPG_DEFAULT_FONT_DESC + ':underline'); + fpgSetNamedFont('MenuDisabled', FPG_DEFAULT_FONT_DESC); {$Note Refactor this so under Windows it can detect the system colors instead. Also under Linux (KDE and Gnome) we should be able to detect the system colors.} diff --git a/src/corelib/gfxbase.pas b/src/corelib/gfxbase.pas index 78ef4b66..9b4bbec7 100644 --- a/src/corelib/gfxbase.pas +++ b/src/corelib/gfxbase.pas @@ -58,7 +58,7 @@ const // The special keys, based on the well-known keyboard scan codes {$I keys.inc} - FPG_DEFAULT_FONT_DESC = 'Arial-10'; + FPG_DEFAULT_FONT_DESC = 'Arial,Sans-10'; UserNamedColorStart = 128; {$I predefinedcolors.inc} diff --git a/src/gui/gui_dialogs.pas b/src/gui/gui_dialogs.pas index c52fd0ba..bdc9fba0 100644 --- a/src/gui/gui_dialogs.pas +++ b/src/gui/gui_dialogs.pas @@ -1,7 +1,13 @@ +{ + General dialogs used by fpGUI based applications +} + unit gui_dialogs; {$mode objfpc}{$H+} +{.$Define DEBUG} + interface uses @@ -11,7 +17,9 @@ uses gui_form, gui_button, gui_label, - gui_listbox; + gui_listbox, + gui_checkbox, + gui_edit; type @@ -36,28 +44,58 @@ type end; - TfpgFontSelect = class(TfpgForm) - private + TfpgBaseDialog = class(TfpgForm) + protected + FSpacing: integer; + FDefaultButtonWidth: integer; btnOK: TfpgButton; btnCancel: TfpgButton; + procedure btnOKClick(Sender: TObject); virtual; + procedure btnCancelClick(Sender: TObject); virtual; + procedure HandleKeyPress(var keycode: word; var shiftstate: TShiftState; var consumed: boolean); override; + public + constructor Create(AOwner: TComponent); override; + end; + + + TfpgFontSelectDialog = class(TfpgBaseDialog) + private + FSampleText: string; lblLabel1: TfpgLabel; + lblLabel2: TfpgLabel; + lblLabel3: TfpgLabel; + lblLabel4: TfpgLabel; + lblLabel5: TfpgLabel; + lbCollection: TfpgListBox; lbFaces: TfpgListBox; - procedure OnFaceChange(Sender: TObject); - procedure btnCancelClick(Sender: TObject); + lbSize: TfpgListBox; + cbBold: TfpgCheckBox; + cbItalic: TfpgCheckBox; + cbUnderline: TfpgCheckBox; + cbAntiAlias: TfpgCheckBox; + edSample: TfpgEdit; + procedure OnParamChange(Sender: TObject); procedure CreateFontList; + protected + function GetFontDesc: string; + procedure SetFontDesc(Desc: string); public constructor Create(AOwner: TComponent); override; + procedure SetSampleText(AText: string); end; procedure ShowMessage(AMessage, ATitle: string); overload; procedure ShowMessage(AMessage: string); overload; +function SelectFontDialog(var FontDesc: string): boolean; + implementation uses - gfxbase, gfx_utf8utils; + gfxbase, + gfx_utf8utils; procedure ShowMessage(AMessage, ATitle: string); @@ -79,6 +117,21 @@ begin ShowMessage(AMessage, 'Message'); end; +function SelectFontDialog(var FontDesc: string): boolean; +var + frm: TfpgFontSelectDialog; +begin + Result := False; + frm := TfpgFontSelectDialog.Create(nil); + frm.SetFontDesc(FontDesc); + if frm.ShowModal > 0 then + begin + FontDesc := frm.GetFontDesc; + Result := True; + end; + frm.Free; +end; + { TfpgMessageBox } @@ -121,16 +174,16 @@ begin inherited Create(AOwner); WindowAttributes := [waAutoPos]; - FLines := TStringList.Create; - FFont := fpgGetFont('#Label1'); - FTextY := 10; - FLineHeight := FFont.Height + 4; - MinWidth := 200; + FLines := TStringList.Create; + FFont := fpgGetFont('#Label1'); + FTextY := 10; + FLineHeight := FFont.Height + 4; + MinWidth := 200; FMaxLineWidth := 500; FButton := TfpgButton.Create(self); - FButton.text := 'OK'; // We must localize this - FButton.Width := 75; + FButton.text := 'OK'; // We must localize this + FButton.Width := 75; FButton.OnClick := @ButtonClick; end; @@ -233,20 +286,62 @@ begin Height := FButton.Top + FButton.Height + FTextY; end; +{ TfpgBaseDialog } -{ TfpgFontSelect } +procedure TfpgBaseDialog.btnOKClick(Sender: TObject); +begin + ModalResult := 1; +end; -procedure TfpgFontSelect.OnFaceChange(Sender: TObject); +procedure TfpgBaseDialog.btnCancelClick(Sender: TObject); begin + ModalResult := 0; + Close; +end; +procedure TfpgBaseDialog.HandleKeyPress(var keycode: word; + var shiftstate: TShiftState; var consumed: boolean); +begin + if keycode = keyEscape then // Esc cancels the dialog + Close + else + inherited HandleKeyPress(keycode, shiftstate, consumed); end; -procedure TfpgFontSelect.btnCancelClick(Sender: TObject); +constructor TfpgBaseDialog.Create(AOwner: TComponent); begin - Close; + inherited Create(AOwner); + {$Note We need to localize this dialog } + Width := 500; + Height := 400; + WindowPosition := wpScreenCenter; + FSpacing := 6; + FDefaultButtonWidth := 80; + + btnCancel := CreateButton(self, Width-FDefaultButtonWidth-FSpacing, 370, FDefaultButtonWidth, 'Cancel', @btnCancelClick); + btnCancel.ImageName := 'stdimg.Cancel'; + btnCancel.ShowImage := True; + btnCancel.Anchors := [anRight, anBottom]; + + btnOK := CreateButton(self, btnCancel.Left-FDefaultButtonWidth-FSpacing, 370, FDefaultButtonWidth, 'OK', @btnOKClick); + btnOK.ImageName := 'stdimg.OK'; + btnOK.ShowImage := True; + btnOK.Anchors := [anRight, anBottom]; +end; + + +{ TfpgFontSelectDialog } + +procedure TfpgFontSelectDialog.OnParamChange(Sender: TObject); +var + fdesc: string; +begin + fdesc := GetFontDesc; + {$IFDEF DEBUG} Writeln(fdesc); {$ENDIF} + edSample.FontDesc := fdesc; end; -procedure TfpgFontSelect.CreateFontList; +procedure TfpgFontSelectDialog.CreateFontList; var fl: TStringList; i: integer; @@ -258,38 +353,274 @@ begin fl.Free; end; -constructor TfpgFontSelect.Create(AOwner: TComponent); +function TfpgFontSelectDialog.GetFontDesc: string; +var + s: string; +begin + s := lbFaces.Text + '-' + lbSize.Text; + if cbBold.Checked then + s := s + ':bold'; + + if cbItalic.Checked then + s := s + ':italic'; + + if cbAntiAlias.Checked then + s := s + ':antialias=true' + else + s := s + ':antialias=false'; + + if cbUnderline.Checked then + s := s + ':underline'; + + result := s; +end; + +procedure TfpgFontSelectDialog.SetFontDesc(Desc: string); +var + cp: integer; + c: char; + i: integer; + token: string; + prop: string; + propval: string; + + function NextC : char; + begin + inc(cp); + if cp > length(desc) then + c := #0 + else + c := desc[cp]; + result := c; + end; + + procedure NextToken; + begin + token := ''; + while (c <> #0) and (c in [' ','a'..'z','A'..'Z','_','0'..'9']) do + begin + token := token + c; + NextC; + end; + end; + +begin + cp := 1; + c := desc[1]; + + cbBold.Checked := False; + cbItalic.Checked := False; + cbUnderline.Checked := False; + cbAntiAlias.Checked := True; + + NextToken; + i := lbFaces.Items.IndexOf(token); + if i >= 0 then + lbFaces.FocusItem := i+1; + if c = '-' then + begin + NextC; + NextToken; + i := lbSize.Items.IndexOf(token); + if i >= 0 then + lbSize.FocusItem := i+1; + end; + + while c = ':' do + begin + NextC; + NextToken; + + prop := UpperCase(token); + propval := ''; + + if c = '=' then + begin + NextC; + NextToken; + propval := UpperCase(token); + end; + + // Do NOT localize these! + if prop = 'BOLD' then + begin + cbBold.Checked := True; + end + else if prop = 'ITALIC' then + begin + cbItalic.Checked := True; + end + else if prop = 'ANTIALIAS' then + begin + if propval = 'FALSE' then + cbAntialias.Checked := False; + end + else if prop = 'UNDERLINE' then + begin + cbUnderline.Checked := True; + end; + + end; + + OnParamChange(self); +end; + +constructor TfpgFontSelectDialog.Create(AOwner: TComponent); begin inherited Create(AOwner); {$Note We need to localize this dialog } WindowTitle := 'Select Font...'; - Width := 500; - Height := 400; - WindowPosition := wpScreenCenter; - + Width := 600; + MinWidth := Width; + MinHeight := Height; + FSampleText := 'The quick brown fox jumps over the lazy dog'; + + btnCancel.Left := Width - FDefaultButtonWidth - FSpacing; + btnOK.Left := btnCancel.Left - FDefaultButtonWidth - FSpacing; + + lblLabel5 := TfpgLabel.Create(self); + with lblLabel5 do + begin + SetPosition(8, 8, 73, 16); + Text := 'Collection:'; + end; + + {$Note This need to be implemented at some stage. } + lbCollection := TfpgListBox.Create(self); + with lbCollection do + begin + SetPosition(8, 28, 145, 236); + Items.Add('All Fonts'); + // These should be stored in <users config path>/fpgui directory + Items.Add('Recently Used'); + Items.Add('Favourites'); + // From here onwards, these should be created automatically. + Items.Add('Fixed Width'); + Items.Add('Sans'); + Items.Add('Serif'); +// OnChange := @OnParamChange; + FocusItem := 1; + Enabled := False; + end; + lblLabel1 := TfpgLabel.Create(self); with lblLabel1 do begin - SetPosition(8,8,73,16); - Text := 'Font face:'; + SetPosition(161, 8, 73, 16); + Text := 'Font:'; end; lbFaces := TfpgListBox.Create(self); with lbFaces do begin - SetPosition(8,28,232,236); - Items.Add('Faces'); - OnChange := @OnFaceChange; + SetPosition(161, 28, 232, 236); + Items.Add(' '); + OnChange := @OnParamChange; + end; + + lblLabel3 := TfpgLabel.Create(self); + with lblLabel3 do + begin + SetPosition(401, 8, 54, 16); + Text := 'Size:'; + end; + + lbSize := TfpgListBox.Create(self); + with lbSize do + begin + SetPosition(401, 28, 52, 236); + { We need to improve this! } + Items.Add('6'); + Items.Add('7'); + Items.Add('8'); + Items.Add('9'); + Items.Add('10'); + Items.Add('11'); + Items.Add('12'); + Items.Add('13'); + Items.Add('14'); + Items.Add('15'); + Items.Add('16'); + Items.Add('18'); + Items.Add('20'); + Items.Add('24'); + Items.Add('28'); + Items.Add('32'); + Items.Add('48'); + Items.Add('64'); + Items.Add('72'); + OnChange := @OnParamChange; + FocusItem := 5; + end; + + lblLabel2 := TfpgLabel.Create(self); + with lblLabel2 do + begin + SetPosition(461, 8, 54, 16); + Text := 'Typeface:'; + end; + + cbBold := TfpgCheckBox.Create(self); + with cbBold do + begin + SetPosition(461, 32, 87, 20); + Text := 'Bold'; + OnChange := @OnParamChange; + end; + + cbItalic := TfpgCheckBox.Create(self); + with cbItalic do + begin + SetPosition(461, 56, 87, 20); + Text := 'Italic'; + OnChange := @OnParamChange; + end; + + cbUnderline := TfpgCheckBox.Create(self); + with cbUnderline do + begin + SetPosition(461, 80, 87, 20); + Text := 'Underline'; + OnChange := @OnParamChange; + end; + + cbAntiAlias := TfpgCheckBox.Create(self); + with cbAntiAlias do + begin + SetPosition(461, 124, 99, 20); + Text := 'Anti aliasing'; + OnChange := @OnParamChange; + Checked := True; + end; + + lblLabel4 := TfpgLabel.Create(self); + with lblLabel4 do + begin + SetPosition(8, 268, 55, 16); + Text := 'Sample:'; + end; + + edSample := TfpgEdit.Create(self); + with edSample do + begin + SetPosition(8, 288, 584, 65); + Text := FSampleText; + Anchors := [anLeft, anTop, anRight, anBottom]; end; - - btnCancel := CreateButton(self, 415, 370, 80, 'Cancel', @btnCancelClick); - btnCancel.ImageName := 'stdimg.Cancel'; - btnCancel.ShowImage := True; - btnCancel.Anchors := [anRight, anBottom]; - CreateFontList; end; +procedure TfpgFontSelectDialog.SetSampleText(AText: string); +begin + if FSampleText = AText then + Exit; //==> + if AText = '' then + Exit; //==> + + FSampleText := AText; + edSample.Text := FSampleText; +end; + end. diff --git a/src/gui/gui_edit.pas b/src/gui/gui_edit.pas index 989ef45b..a421b9c6 100644 --- a/src/gui/gui_edit.pas +++ b/src/gui/gui_edit.pas @@ -27,8 +27,8 @@ type FMouseDragPos: integer; FFont: TfpgFont; FDrawOffset: integer; - function GetFontName: string; - procedure SetFontName(const AValue: string); + function GetFontDesc: string; + procedure SetFontDesc(const AValue: string); procedure SetText(const AValue: string); procedure DeleteSelection; procedure DoCopy; @@ -51,7 +51,7 @@ type OnChange: TNotifyEvent; published property Text: string read FText write SetText; - property FontName: string read GetFontName write SetFontName; + property FontDesc: string read GetFontDesc write SetFontDesc; end; function CreateEdit(AOwner: TComponent; x, y, w, h: TfpgCoord): TfpgEdit; @@ -118,12 +118,12 @@ begin RePaint; end; -function TfpgEdit.GetFontName: string; +function TfpgEdit.GetFontDesc: string; begin Result := FFont.FontDesc; end; -procedure TfpgEdit.SetFontName(const AValue: string); +procedure TfpgEdit.SetFontDesc(const AValue: string); begin FFont.Free; FFont := fpgGetFont(AValue); diff --git a/src/gui/gui_listbox.pas b/src/gui/gui_listbox.pas index ad05fbc8..26f52d9e 100644 --- a/src/gui/gui_listbox.pas +++ b/src/gui/gui_listbox.pas @@ -579,7 +579,7 @@ end; procedure TfpgTextListBox.DrawItem(num: integer; rect: TfpgRect; flags: integer); begin - Canvas.DrawString(rect.left+2, rect.top+1, FItems.Strings[num-1]); + fpgStyle.DrawString(Canvas, rect.left+2, rect.top+1, FItems.Strings[num-1], Enabled); end; constructor TfpgTextListBox.Create(AOwner: TComponent); |