diff options
author | Graeme Geldenhuys <graeme@mastermaths.co.za> | 2011-08-24 12:04:10 +0200 |
---|---|---|
committer | Graeme Geldenhuys <graeme@mastermaths.co.za> | 2011-08-24 12:04:10 +0200 |
commit | bc0424f5251d927c9ca96d0ecb77bfd9ac5de341 (patch) | |
tree | 7faff3d79d07bd152f2e9b3591bf9783f8e0808f | |
parent | a54d7ec91e8ac04c70c69ecb3b7cd6f720f35072 (diff) | |
download | fpGUI-bc0424f5251d927c9ca96d0ecb77bfd9ac5de341.tar.xz |
forms: HandleKeyPress() is replaced my DoKeyShortcut()
This is done because DoKeyShortcut() clearly says what it does. It only
processes keyboard shortcut events.
-rw-r--r-- | src/gui/fpg_form.pas | 103 |
1 files changed, 71 insertions, 32 deletions
diff --git a/src/gui/fpg_form.pas b/src/gui/fpg_form.pas index 1e14d1f8..f282dea5 100644 --- a/src/gui/fpg_form.pas +++ b/src/gui/fpg_form.pas @@ -71,17 +71,17 @@ type procedure HandleShow; override; procedure HandleMove(x, y: TfpgCoord); override; procedure HandleResize(awidth, aheight: TfpgCoord); override; - procedure HandleKeyPress(var keycode: word; var shiftstate: TShiftState; var consumed: boolean); override; procedure DoOnClose(var CloseAction: TCloseAction); virtual; function DoOnHelp(AHelpType: THelpType; AHelpContext: THelpContext; const AHelpKeyword: String; const AHelpFile: String; var AHandled: Boolean): Boolean; virtual; - // properties + procedure DoKeyShortcut(const AOrigin: TfpgWidget; const keycode: word; const shiftstate: TShiftState; var consumed: boolean; const IsChildOfOrigin: boolean = False); override; + { -- properties -- } property DNDEnabled: boolean read FDNDEnabled write SetDNDEnabled default False; property Sizeable: boolean read FSizeable write FSizeable; property ModalResult: TfpgModalResult read FModalResult write FModalResult; property FullScreen: boolean read FFullScreen write FFullScreen default False; property WindowPosition: TWindowPosition read FWindowPosition write FWindowPosition default wpAuto; property WindowTitle: string read FWindowTitle write SetWindowTitle; - // events + { -- events -- } property OnActivate: TNotifyEvent read FOnActivate write FOnActivate; property OnClose: TFormCloseEvent read FOnClose write FOnClose; property OnCloseQuery: TFormCloseQueryEvent read FOnCloseQuery write FOnCloseQuery; @@ -168,6 +168,8 @@ type TfpgMenuBarFriend = class(TfpgMenuBar) end; + TfpgWidgetFriend = class(TfpgWidget) + end; function WidgetParentForm(wg: TfpgWidget): TfpgForm; @@ -425,35 +427,6 @@ begin inherited HandleResize(awidth, aheight); end; -procedure TfpgBaseForm.HandleKeyPress(var keycode: word; - var shiftstate: TShiftState; var consumed: boolean); -var - i: integer; - wg: TfpgWidget; -{$IFDEF CStackDebug} - itf: IInterface; -{$ENDIF} -begin - {$IFDEF CStackDebug} - itf := DebugMethodEnter('TfpgBaseForm.HandleKeyPress - ' + ClassName + ' ('+Name+')'); - {$ENDIF} - // find the TfpgMenuBar - if not consumed then - begin - for i := 0 to ComponentCount-1 do - begin - wg := TfpgWidget(Components[i]); - if (wg <> nil) and (wg <> self) and (wg is TfpgMenuBar) then - begin - TfpgMenuBarFriend(wg).HandleKeyPress(keycode, shiftstate, consumed); - Break; //==> - end; - end; - end; { if } - - inherited HandleKeyPress(keycode, shiftstate, consumed); -end; - procedure TfpgBaseForm.AfterConstruction; begin AfterCreate; @@ -482,6 +455,72 @@ begin Result := FOnHelp(AHelpType, AHelpContext, AHelpKeyword, AHelpFile, AHandled); end; +procedure TfpgBaseForm.DoKeyShortcut(const AOrigin: TfpgWidget; + const keycode: word; const shiftstate: TShiftState; var consumed: boolean; const IsChildOfOrigin: boolean = False); +var + wg: TfpgWidget; + menu: TfpgMenuBar; + i: integer; + ss: TShiftState; + key: word; + c: TfpgComponent; + + function FindMenuBar(AWidget: TfpgWidget): TfpgWidget; + var + n: integer; + w: TfpgWidget; + begin + Result := nil; + for n := 0 to AWidget.ComponentCount-1 do + begin + w := TfpgWidget(AWidget.Components[n]); + if (w <> nil) and (w <> self) and (w <> AOrigin) and (w is TfpgMenuBar) then + begin + Result := w; + exit; + end; + if w.ComponentCount > 0 then + Result := FindMenuBar(w); + if Result <> nil then + exit; + end; + end; + +begin + // find the first TfpgMenuBar - if it exits + wg := FindMenuBar(self); + if (wg <> nil) then + begin + menu := wg as TfpgMenuBar; + key := keycode; + ss := shiftstate; + TfpgMenuBarFriend(wg).HandleKeyPress(key, ss, consumed); + end; + + if consumed then + Exit; + // now send to each widget on the form - excluding AOrigin and MenuBar widgets + for i := 0 to ComponentCount-1 do + begin + c := TfpgComponent(Components[i]); + if c is TfpgWidget then + wg := TfpgWidget(c) + else + wg := nil; + if (wg <> nil) and (wg <> self) and (wg <> AOrigin) and (wg <> menu) and (not (wg is TfpgPopupMenu)) then + begin + if (not wg.Visible) or (not wg.Enabled) then + continue + else + begin + TfpgWidgetFriend(wg).DoKeyShortcut(AOrigin, keycode, shiftstate, consumed); + if consumed then + Exit; + end; + end; + end; +end; + procedure TfpgBaseForm.Hide; begin Visible := False; |