{ ***************************************************************************** * WinCEWSMenus.pp * * --------------- * * * * * ***************************************************************************** ***************************************************************************** This file is part of the Lazarus Component Library (LCL) See the file COPYING.modifiedLGPL.txt, included in this distribution, for details about the license. ***************************************************************************** } unit WinCEWSMenus; {$mode objfpc}{$H+} interface uses // LCL Graphics, ImgList, Menus, Forms, LCLIntf, {keep before Windows } Controls, InterfaceBase, LCLProc, LazUTF8, // LazUtils GraphType, // RTL, FCL Windows, Classes, SysUtils, commctrl, {$ifndef win32}aygshell,{$endif} // widgetset WinceInt, WinceProc, WinCEWSImgList, WSMenus, WSLCLClasses; type { TWinCEWSMenuItem } TWinCEWSMenuItem = class(TWSMenuItem) public class procedure UpdateCaption(const AMenuItem: TMenuItem; ACaption: String); class procedure AttachMenuEx(const AMenuItem: TMenuItem; const AParentHandle: HMENU); class procedure CopyMenuToHandle(const AMenuItem: TMenuItem; const ADest: HMENU); {$ifndef Win32} class function FindMenuForm(const AMenu: TMenu; var AMenuBarHandle: THandle; var AForm: TForm): Boolean; {$endif} published class function OpenCommand: LongInt; override; class procedure CloseCommand(ACommand: LongInt); override; class procedure AttachMenu(const AMenuItem: TMenuItem); override; class function CreateHandle(const AMenuItem: TMenuItem): HMENU; override; class procedure DestroyHandle(const AMenuItem: TMenuItem); override; class procedure SetCaption(const AMenuItem: TMenuItem; const ACaption: string); override; class function SetCheck(const AMenuItem: TMenuItem; const Checked: boolean): boolean; override; class procedure SetShortCut(const AMenuItem: TMenuItem; const ShortCutK1, ShortCutK2: TShortCut); override; class function SetEnable(const AMenuItem: TMenuItem; const Enabled: boolean): boolean; override; class function SetRightJustify(const AMenuItem: TMenuItem; const Justified: boolean): boolean; override; class procedure UpdateMenuIcon(const AMenuItem: TMenuItem; const HasIcon: Boolean; const AIcon: Graphics.TBitmap); override; end; { TWinCEWSMenu } TWinCEWSMenu = class(TWSMenu) published class function CreateHandle(const AMenu: TMenu): HMENU; override; end; { TWinCEWSMainMenu } TWinCEWSMainMenu = class(TWSMainMenu) private protected public end; { TWinCEWSPopupMenu } TWinCEWSPopupMenu = class(TWSPopupMenu) published class function CreateHandle(const AMenu: TMenu): HMENU; override; class procedure Popup(const APopupMenu: TPopupMenu; const X, Y: integer); override; end; const // IDs corresponding to the file wincemenures.rc MenuBarID_Items = 20000; MenuBarID_PopUp_Item = 20001; MenuBarID_Item_Popup = 20002; MenuBarID_Popups = 20003; MenuBarID_1_Item = 20004; MenuBarID_1_Popup = 20005; MenuBarID_Empty = 20006; MenuBarID_L = 1001; MenuBarID_R = 1002; MenuBarID_BASE = 1003; var MenuItemsList: TStringList; MenuHandleList, MenuLCLObjectList: TFPList; function FindMenuItemAccelerator(const ACharCode: char; const AMenuHandle: HMENU): integer; procedure PocketPCAddMenuToToolbar(Wnd: HWND; Menu: HMENU; LCLMenu: TMenu; toolBar: Handle); procedure CeSetMenuDesktop(Wnd: HWND; Menu: HMENU; LCLMenu: TMenu); {$ifndef Win32} procedure CeSetMenu(Wnd: HWND; Menu: HMENU; LCLMenu: TMenu); {$endif} implementation uses strutils; {$R wincemenures.rc} { helper routines } const SpaceBetweenIcons = 5; type TCaptionFlags = (cfBold, cfUnderline); TCaptionFlagsSet = set of TCaptionFlags; TMenuItemAccess = class(TMenuItem); //menus procedure PocketPCAddMenuToToolbar(Wnd: HWND; Menu: HMENU; LCLMenu: TMenu; toolBar: Handle); var mi: MENUITEMINFO; tb: TBButton; i, j, k: integer; buf: array[0..255] of WideChar; wbuf: widestring; begin FillChar(mi, SizeOf(mi), 0); mi.cbSize:=SizeOf(mi); mi.fMask:=MIIM_SUBMENU or MIIM_TYPE or MIIM_ID or MIIM_STATE; mi.dwTypeData:=@buf; // Now we will add the buttons in the menu if (Menu <> 0) and (LCLMenu <> nil) then begin i:=0; while True do begin mi.cch:=SizeOf(buf); // Find the winapi menu item if not GetMenuItemInfo(Menu, i, True, @mi) then begin {$ifdef VerboseWinCEMenu} DebugLn('GetMenuItemInfo i=', dbgs(i), ' failed, breaking'); {$endif} Break; end; // Find the associated LCL Menu item k:=0; // j = counts all top-level menu items // k = counts only visible ones; for j:=0 to LCLMenu.Items.Count - 1 do begin if LCLMenu.Items.Items[j].Visible then begin if k = i then Break; Inc(k); end; end; // Don't use the default ID, force one, at least for the first two buttons // But only do that for the main form, so that secondary forms // can have unique numbers if Wnd = Application.MainForm.Handle then begin if i = 0 then mi.wID := MenuBarID_L else if i = 1 then mi.wID := MenuBarID_R; end; // Update the MenuItem Command to use latter TMenuItemAccess(LCLMenu.Items.Items[j]).FCommand := mi.wID; // Setting the caption // old code: buf[mi.cch]:=#0; wbuf := UTF8Decode(LCLMenu.Items.Items[j].Caption); buf := wbuf; buf[Length(wbuf)] := #0; FillChar(tb, SizeOf(tb), 0); tb.iBitmap:=I_IMAGENONE; tb.idCommand := mi.wID; {$ifdef VerboseWinCEMenu} DebugLn('[CeSetMenu] p3 atPDA menuname: ' + LCLMenu.Items.Items[j].Name + ' Set FCommand = mi.wID = ' + IntToStr(tb.idCommand)); {$endif} tb.iString:=SendMessage(toolBar, TB_ADDSTRING, 0, LPARAM(@buf)); if mi.fState and MFS_DISABLED = 0 then tb.fsState:=TBSTATE_ENABLED; if mi.fState and MFS_CHECKED <> 0 then tb.fsState:=tb.fsState or TBSTATE_CHECKED; if mi.hSubMenu <> 0 then tb.fsStyle:=TBSTYLE_DROPDOWN or $0080 or TBSTYLE_AUTOSIZE else tb.fsStyle:=TBSTYLE_BUTTON or TBSTYLE_AUTOSIZE; tb.dwData:=mi.hSubMenu; {roozbeh : this wont work on 2002/2003...should i uncomment it or not?works this way anyway} {$ifdef VerboseWinCEMenu} DebugLn('[CeSetMenu] atPDA Message TB_INSERTBUTTON with ButtonID: i = ' + IntToStr(i)); {$endif} if SendMessage(toolBar, TB_INSERTBUTTON, i, LPARAM(@tb)) = 0 then {$ifdef VerboseWinCEMenu} DebugLn('TB_INSERTBUTTON failed') {$endif} ; // Add to the list to receive click events though WM_COMMAND {$ifdef VerboseWinCEMenu} DebugLn('[CeSetMenu] Adding menuitem to MenuItemsList'); {$endif} MenuItemsList.AddObject(IntToStr(tb.idCommand), LCLMenu.Items.Items[j]); Inc(i); end; end; end; procedure CeSetMenuDesktop(Wnd: HWND; Menu: HMENU; LCLMenu: TMenu); const STR_MENUBAR = 'LCL_MENUBAR_TOOLBAR'; ID_TOOLBAR = 10; var menuBar: Handle; IsMenuEmpty: Boolean = False; begin {$ifdef VerboseWinCEMenu} DebugLn('[CeSetMenu] atDesktop detected Wnd=' + IntToHex(Wnd, 8) + ' Menu=' + IntToHex(Menu, 8) + ' LCLMenu=' + IntToHex(PtrInt(LCLMenu), 8)); {$endif} // Validate the parameters if (Wnd = 0) then Exit; // In atDesktop mode it looks bad if we install an empty menu bar // Please see issue http://bugs.freepascal.org/view.php?id=17304 // Check if the menu is empty IsMenuEmpty := (LCLMenu = nil); if not IsMenuEmpty then IsMenuEmpty := (LCLMenu.Items = nil); if not IsMenuEmpty then IsMenuEmpty := (LCLMenu.Items.Count = 0); if not IsMenuEmpty then IsMenuEmpty := (Menu = 0); // If there is no menu, then clean any existing menu bar if IsMenuEmpty then begin menuBar := GetProp(Wnd, STR_MENUBAR); {$ifdef VerboseWinCEMenu} DebugLn('[CeSetMenu] The menu is empty and menuBar = ' + IntToHex(menuBar, 8)); {$endif} if menuBar <> 0 then begin DestroyWindow(menuBar); SetProp(Wnd, STR_MENUBAR, 0); end; Exit(); { // The following code applies if we were using a SHMenuBar // Destroy any existing menu bar and exit mbi.hwndMB := SHFindMenuBar(Wnd); DestroyWindow(mbi.hwndMB); Exit;} end // If there is a menu, then install it or modify the existing one else begin menuBar := GetProp(Wnd, STR_MENUBAR); {$ifdef VerboseWinCEMenu} DebugLn('[CeSetMenu] The menu is not empty and menuBar = ' + IntToHex(menuBar, 8)); {$endif} if menuBar = 0 then begin {$ifdef WINCE_USE_COMMANDBAR_FOR_ATDESKTOP_MENUS} menuBar := CommandBar_Create(hInstance, Wnd, 1); CommandBar_InsertMenubar(menuBar, g_hInst, IDR_MENU, 0); CommandBar_AddAdornments(menuBar, 0, 0); {$else} menuBar := CreateToolbarEx( Wnd, // Parent window handle WS_CHILD or WS_VISIBLE, // Toolbar window styles ID_TOOLBAR, // Toolbar control identifier 0, // Number of button images hInstance, // Module instance 0, // Bitmap resource identifier nil, // Array of TBBUTTON structure 0, // Number of buttons in toolbar 0, // Width of the button in pixels 0, // Height of the button in pixels 0, // Button image width in pixels 0, // Button image height in pixels sizeof(TBBUTTON)); // Size of a TBBUTTON structure {$ifdef VerboseWinCEMenu} DebugLn('[CeSetMenu] Creating new menuBar = ' + IntToHex(menuBar, 8)); {$endif} // Tell the toolbar to resize itself, and show it. SendMessage(menuBar, TB_AUTOSIZE, 0, 0); ShowWindow(menuBar, SW_SHOW); // Put the menu on top of all other controls, or else it won't appear SetWindowPos(menuBar, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOMOVE or SWP_NOSIZE); {$endif} SetProp(Wnd, STR_MENUBAR, menuBar); end; end; // Now the menu should be added to the toolbar PocketPCAddMenuToToolbar(Wnd, Menu, LCLMenu, menuBar); end; {$ifndef Win32} { The main menu setting routine, it is called by LCLIntf.SetMenu, which associates a menu with a window. } procedure CeSetMenu(Wnd: HWND; Menu: HMENU; LCLMenu: TMenu); const STR_MENUBAR = 'LCL_MENUBAR'; var mbi: SHMENUBARINFO; tbbi: TBBUTTONINFO; i, j, k, lIndex: integer; R, BR, WR: TRect; LeftMenuCount: Integer = -1; RightMenuCount: Integer = -1; MenuBarRLID: integer; VisibleTopLevelCount: Integer = 0; begin {$ifdef VerboseWinCEMenu} DebugLn('[CeSetMenu]'); {$endif} // The atDesktop menu code was completely separated because // so many different menu kinds in the same code base were // causing trouble if (Application.ApplicationType = atDesktop) then begin CeSetMenuDesktop(Wnd, Menu, LCLMenu); Exit; end; GetWindowRect(Wnd, BR); mbi.hwndMB := SHFindMenuBar(Wnd); {$ifdef VerboseWinCEMenu} DebugLn(Format('[CeSetMenu] p1 menu bar window = %d Wnd %d Menu %d', [mbi.hwndMB, Wnd, Menu])); {$endif} // It is necessary to always create a new menu bar for atKeyPadDevice? { if (Application.ApplicationType = atKeyPadDevice) then begin if (mbi.hwndMB <> 0) then DestroyWindow(mbi.hwndMB); mbi.hwndMB := 0; end;} {$ifdef VerboseWinCEMenu} DebugLn('[CeSetMenu] MenuItemsList.Text ' + MenuItemsList.Text); {$endif} // Remove previously installed top-level menu click handlers for lIndex := MenuItemsList.Count-1 downto 0 do begin if (MenuItemsList[lIndex] = '1001') or (MenuItemsList[lIndex] = '1002') then begin MenuItemsList.Delete(lIndex); end; end; GetWindowRect(Wnd, BR); // If no menu is currently associated in the application // so we create a new one if mbi.hwndMB = 0 then begin FillChar(mbi, SizeOf(mbi), 0); mbi.cbSize := SizeOf(mbi); mbi.hwndParent := Wnd; // SHCMBC_HMENU makes it read only the MENU rc info, not the RCDATA which is // the Toolbar info //mbi.dwFlags := SHCMBF_HMENU;// This options ruins smartphone menu setting mbi.hInstRes := HINSTANCE; // Verifies the menu to find the best match for it's layout in the .rc file if LCLMenu <> nil then begin for j:=0 to LCLMenu.Items.Count - 1 do begin if LCLMenu.Items.Items[j].Visible then begin Inc(VisibleTopLevelCount); if LeftMenuCount = -1 then LeftMenuCount := LCLMenu.Items.Items[j].Count else if RightMenuCount = -1 then RightMenuCount := LCLMenu.Items.Items[j].Count else Break; end; end; end; // Chooses the best style if VisibleTopLevelCount = 0 then mbi.nToolBarId := MenuBarID_Empty else if VisibleTopLevelCount = 1 then begin if (LeftMenuCount >= 1) then mbi.nToolBarId := MenuBarID_1_Popup else mbi.nToolBarId := MenuBarID_1_Item; end else begin if (LeftMenuCount >= 1) and (RightMenuCount >= 1) then mbi.nToolBarId := MenuBarID_Popups else if (LeftMenuCount >= 1) then mbi.nToolBarId := MenuBarID_PopUp_Item else if (RightMenuCount >= 1) then mbi.nToolBarId := MenuBarID_Item_Popup else mbi.nToolBarId := MenuBarID_Items; end; if not SHCreateMenuBar(@mbi) then begin {$ifdef VerboseWinCEMenu} DebugLn('[CeSetMenu] SHCreateMenuBar failed'); {$endif} Exit; end; end; // Implements back-key sending to edits, instead of hiding the form // See http://bugs.freepascal.org/view.php?id=16699 if (mbi.hwndMB <> 0) then begin SendMessage(mbi.hwndMB, SHCMBM_OVERRIDEKEY, VK_ESCAPE, MAKELPARAM(SHMBOF_NODEFAULT or SHMBOF_NOTIFY, SHMBOF_NODEFAULT or SHMBOF_NOTIFY)); end; {$ifdef VerboseWinCEMenu} DebugLn('[CeSetMenu] menu bar window = ' + IntToStr(mbi.hwndMB) + ' mbi.nToolBarId = ' + IntToStr(mbi.nToolBarId)); {$endif} // Clear any previously set menu items while SendMessage(mbi.hwndMB, TB_DELETEBUTTON, 0, 0) <> 0 do {$ifdef VerboseWinCEMenu} DebugLn('[CeSetMenu] TB_DELETEBUTTON') {$endif} ; // Now we will add the buttons in the menu // // Note that there are two versions of this part of the code // First an approach like KOL-CE does, which works better for smartphones // and later the original code from lcl-wince, which already works for PDAs if (Application.ApplicationType = atKeyPadDevice) then begin if (Menu <> 0) and (LCLMenu <> nil) then begin i:=0; // j = counts all top-level menu items; // i = counts only visible ones; for j:=0 to LCLMenu.Items.Count - 1 do begin if LCLMenu.Items.Items[j].Visible then begin if LCLMenu.Items.Items[j].Enabled then tbbi.fsState:=TBSTATE_ENABLED else tbbi.fsState:=0; if LCLMenu.Items.Items[j].Checked then tbbi.fsState:=tbbi.fsState or TBSTATE_CHECKED; // Adds a top-level item (We can not really add it, so we find // and modify the existing top-level item) if i = 2 then Break; // smartphones have maximum 2 top level menu items. if i = 0 then MenuBarRLID := MenuBarID_L else MenuBarRLID := MenuBarID_R; tbbi.cbSize := sizeof(tbbi); tbbi.pszText := PWideChar(UTF8Decode(LCLMenu.Items.Items[j].Caption)); tbbi.dwMask := TBIF_TEXT or TBIF_COMMAND or TBIF_STATE; // Without setting idCommand the top-level items don't respond to clicks tbbi.idCommand := MenuBarRLID; // And we also need to update the MenuItem Command TMenuItemAccess(LCLMenu.Items.Items[j]).FCommand := tbbi.idCommand; {$ifdef VerboseWinCEMenu} DebugLn(Format('[CeSetMenu] atKeyPadDevice i=%d Set FCommand from %s to %d', [i, LCLMenu.Items.Items[j].Name, TMenuItemAccess(LCLMenu.Items.Items[j]).FCommand])); {$endif} if SendMessage(mbi.hwndMB, TB_SETBUTTONINFO, tbbi.idCommand, LPARAM(@tbbi)) = 0 then {$ifdef VerboseWinCEMenu} DebugLn('[CeSetMenu] TB_SETBUTTONINFO failed') {$endif} ; // Add to the list to receive click events though WM_COMMAND {$ifdef VerboseWinCEMenu} DebugLn(Format('[CeSetMenu] MenuItemsList.AddObject %d Name %s', [tbbi.idCommand, LCLMenu.Items.Items[j].Name])); {$endif} MenuItemsList.AddObject(IntToStr(tbbi.idCommand), LCLMenu.Items.Items[j]); // Adds subitems to a top-level item {$ifdef VerboseWinCEMenu} DebugLn('[CeSetMenu] atKeyPadDevice Message TB_GETBUTTONINFO with ButtonID: MenuBarRLID = ' + IntToStr(MenuBarRLID)); {$endif} tbbi.dwMask := TBIF_LPARAM; if SendMessage(mbi.hwndMB, TB_GETBUTTONINFO, tbbi.idCommand, LPARAM(@tbbi)) = - 1 then {$ifdef VerboseWinCEMenu} DebugLn('[CeSetMenu] TB_GETBUTTONINFO failed') {$endif} ; // Remove any present buttons, for example the one from the .rc file // Careful that using TB_DELETEBUTTON doesnt work here while RemoveMenu(HMENU(tbbi.lParam), 0, MF_BYPOSITION) do {$ifdef VerboseWinCEMenu} DebugLn('[CeSetMenu] RemoveMenu') {$endif} ; {$ifdef VerboseWinCEMenu} DebugLn(Format('[CeSetMenu] Installing %d Subitems', [LCLMenu.Items.Items[j].Count])); {$endif} for k := 0 to LCLMenu.Items.Items[j].Count - 1 do TWinCEWSMenuItem.AttachMenuEx( LCLMenu.Items.Items[j].Items[k], HMENU(tbbi.lParam)); Inc(i); end; end; // if i = 1 then // begin // tbbi.dwMask := TBIF_STATE; // tbbi.fsState:=0; // SendMessage(mbi.hwndMB, TB_SETBUTTONINFO, 2, LPARAM(@tbbi)); // end; end; end else begin PocketPCAddMenuToToolbar(Wnd, Menu, LCLMenu, mbi.hwndMB); end; // Correction for the position of the window // Avoids overlapping the menu, when it doesn't belong to the work area if (Application.ApplicationType in [atPDA, atDefault]) and (GetWindowLong(Wnd, GWL_STYLE) and WS_POPUP = 0) then // BorderStyle is neither bsDialog nor bsNone begin GetWindowRect(mbi.hwndMB, R); Windows.SystemParametersInfo(SPI_GETWORKAREA, 0, @WR, 0); if WR.Bottom > R.Top then SetWindowPos(wnd, 0, 0, 0, WR.Right - WR.Left, R.Top - WR.Top, SWP_NOZORDER or SWP_NOREPOSITION or SWP_NOMOVE); end; //DrawMenuBar(wnd); end; {$endif} (* Returns index of the character in the menu item caption that is displayed as underlined and is therefore the hot key of the menu item. If the caption does not contain any underlined character, 0 is returned. If there are more "underscored" characters in the caption, the last one is returned. Does some Windows API function exists which can do the same? AnUnderlinedChar - character which tells that tne following character should be underlined ACaption - menu item caption which is parsed *) function SearchMenuItemHotKeyIndex(const AnUnderlinedChar: char; ACaption: string): integer; var position: integer; begin position := pos(AnUnderlinedChar, ACaption); Result := 0; // if aChar is on the last position then there is nothing to underscore, ignore this character while (position > 0) and (position < length(ACaption)) do begin // two 'AnUnderlinedChar' characters together are not valid hot key, they are replaced by one if ACaption[position + 1] <> AnUnderlinedChar then Result := position + 1; position := posEx(AnUnderlinedChar, ACaption, position + 2); end; end; function FindMenuItemAccelerator(const ACharCode: char; const AMenuHandle: HMENU): integer; var MenuItemIndex: integer; ItemInfo: MENUITEMINFO; FirstMenuItem: TMenuItem; SiblingMenuItem: TmenuItem; HotKeyIndex: integer; i: integer; begin Result := MakeLResult(0, 0); MenuItemIndex := -1; ItemInfo.cbSize := SizeOf(MENUITEMINFO); ItemInfo.fMask := MIIM_DATA; if not GetMenuItemInfo(AMenuHandle, 0, true, @ItemInfo) then Exit; FirstMenuItem := TMenuItem(ItemInfo.dwItemData); if FirstMenuItem = nil then exit; i := 0; while (i < FirstMenuItem.Parent.Count) and (MenuItemIndex < 0) do begin SiblingMenuItem := FirstMenuItem.Parent.Items[i]; HotKeyIndex := SearchMenuItemHotKeyIndex('&', SiblingMenuItem.Caption); if (HotKeyIndex > 0) and (Upcase(ACharCode) = Upcase(SiblingMenuItem.Caption[HotKeyIndex])) then MenuItemIndex := i; inc(i); end; if MenuItemIndex > -1 then Result := MakeLResult(MenuItemIndex, 2) else Result := MakeLResult(0, 0); end; procedure TriggerFormUpdate(const AMenuItem: TMenuItem); var lMenu: TMenu; begin lMenu := AMenuItem.GetParentMenu; if (lMenu<>nil) and (lMenu.Parent<>nil) and (lMenu.Parent is TCustomForm) and TCustomForm(lMenu.Parent).HandleAllocated and not (csDestroying in lMenu.Parent.ComponentState) then AddToChangedMenus(TCustomForm(lMenu.Parent).Handle); end; function ChangeMenuFlag(const AMenuItem: TMenuItem; Flag: Integer; Value: boolean): boolean; var MenuInfo: MENUITEMINFO; wCaption : WideString; begin MenuInfo.cbSize := SizeOf(MENUITEMINFO); MenuInfo.fMask := MIIM_TYPE; MenuInfo.dwTypeData := nil; // don't retrieve caption GetMenuItemInfo(AMenuItem.Parent.Handle, AMenuItem.Command, false, @MenuInfo); if Value then MenuInfo.fType := MenuInfo.fType or Flag else MenuInfo.fType := MenuInfo.fType and (not Flag); wCaption := UTF8Decode(AMenuItem.Caption); {$ifdef win32} MenuInfo.dwTypeData := PChar(PWideChar(wCaption)); {$else} MenuInfo.dwTypeData := PWideChar(wCaption); {$endif} Result := SetMenuItemInfo(AMenuItem.Parent.Handle, AMenuItem.Command, false, @MenuInfo); TriggerFormUpdate(AMenuItem); end; { TWinCEWSMenuItem } class procedure TWinCEWSMenuItem.UpdateCaption(const AMenuItem: TMenuItem; ACaption: String); var MenuInfo: MENUITEMINFO; wCaption: WideString; begin wCaption := UTF8Decode(ACaption); FillChar(MenuInfo, SizeOf(MenuInfo), 0); MenuInfo.cbsize := SizeOf(MenuInfo); MenuInfo.fMask := MIIM_TYPE or MIIM_STATE; if ACaption <> cLineCaption then begin MenuInfo.fType := MFT_STRING; if AMenuItem.Enabled then MenuInfo.fState := MF_ENABLED else MenuInfo.fState := MF_GRAYED; {$ifdef win32} MenuInfo.dwTypeData := PChar(PWideChar(wCaption)); {$else} MenuInfo.dwTypeData := PWideChar(wCaption); {$endif} MenuInfo.cch := Length(aCaption); end else begin MenuInfo.fType := MFT_SEPARATOR; MenuInfo.fState := MFS_DISABLED; end; {$ifdef VerboseWinCEMenu} DebugLn(Format('[UpdateCaption] SetMenuItemInfo for %s with ' + 'Caption: %s ButtonID = AMenuItem.Command = %d', [AMenuItem.Name, AMenuItem.Caption, AMenuItem.Command])); {$endif} if not SetMenuItemInfo(AMenuItem.Parent.Handle, AMenuItem.Command, false, @MenuInfo) then {$ifdef VerboseWinCEMenu} DebugLn('SetMenuItemInfo failed: ', GetLastErrorText(GetLastError)) {$endif} ; TriggerFormUpdate(AMenuItem); end; class procedure TWinCEWSMenuItem.AttachMenuEx(const AMenuItem: TMenuItem; const AParentHandle: HMENU); var MenuInfo: MENUITEMINFO; ParentOfParent: HMenu; wCaption: WideString; Index, fstate, cmd: integer; begin {$ifdef VerboseWinCEMenu} DebugLn('[TWinCEWSMenuItem.AttachMenuEx] START'); {$endif} FillChar(MenuInfo, SizeOf(MenuInfo), 0); {Following part fixes the case when an item is added in runtime but the parent item has not defined the submenu flag (hSubmenu=0) } if (AMenuItem.Parent.Parent <> nil) and (Application.ApplicationType <> atKeyPadDevice) then begin ParentOfParent := AMenuItem.Parent.Parent.Handle; MenuInfo.cbSize := SizeOf(MENUITEMINFO); MenuInfo.fMask := MIIM_SUBMENU; {$ifdef VerboseWinCEMenu} DebugLn('[TWinCEWSMenuItem.AttachMenuEx] GetMenuItemInfo for ' + AMenuItem.Parent.Name + ' with ButtonID = AMenuItem.Parent.Command = ' + IntToStr(AMenuItem.Parent.Command)); {$endif} if not GetMenuItemInfo(ParentOfParent, AMenuItem.Parent.Command, False, @MenuInfo) then {$ifdef VerboseWinCEMenu} DebugLn('[TWinCEWSMenuItem.AttachMenuEx] GetMenuItemInfo failed') {$endif} ; if MenuInfo.hSubmenu = 0 then // the parent menu item is not yet defined with submenu flag begin //roozbeh: wont work on smartphones...i guess i have to remove and add new one with submenu flag //not yet found time to do....not so hard MenuInfo.hSubmenu := AParentHandle; {$ifdef VerboseWinCEMenu} DebugLn('[TWinCEWSMenuItem.AttachMenuEx] SetMenuItemInfo for ' + AMenuItem.Parent.Name + ' with ButtonID = AMenuItem.Parent.Command = ' + IntToStr(AMenuItem.Parent.Command)); {$endif} if not SetMenuItemInfo(ParentOfParent, AMenuItem.Parent.Command, False, @MenuInfo) then {$ifdef VerboseWinCEMenu} DebugLn('[TWinCEWSMenuItem.AttachMenuEx] SetMenuItemInfo failed') {$endif} ; end; end; { else if (AMenuItem.Parent.Parent = nil) and (Application.ApplicationType = atKeyPadDevice) then begin {$ifdef VerboseWinCEMenu} DebugLn('[TWinCEWSMenuItem.AttachMenuEx] Exiting from initial AttachMenuEx'); {$endif} Exit; end;} fState := MF_STRING or MF_BYPOSITION; if AMenuItem.Enabled then fState := fState or MF_ENABLED else fState := fState or MF_GRAYED; if AMenuItem.Checked then fState := fState or MF_CHECKED; cmd := AMenuItem.Command; {value may only be 16 bit wide!} if (AMenuItem.Count > 0) then begin fState := fState or MF_POPUP; cmd := AMenuItem.Handle; end else begin if AMenuItem.IsLine then fState := (fState xor MF_STRING) or MF_SEPARATOR; end; // Never allow the use of the value 201 and 202 under atKeyPadDevice // Because they may colide with the ids of the fixed menus { if Application.ApplicationType = atKeyPadDevice then begin if (cmd = 201) then begin TMenuItemAccess(AMenuItem).FCommand := 2001; cmd := 2201; end; if (cmd = 202) then begin TMenuItemAccess(AMenuItem).FCommand := 2002; cmd := 2202; end; end;} wCaption := UTF8Decode(AmenuItem.Caption); Index := AMenuItem.Parent.VisibleIndexOf(AMenuItem); {$ifdef VerboseWinCEMenu} DebugLn(Format('[TWinCEWSMenuItem.AttachMenuEx] InsertMenuW itemname = %s caption %s cmd %d', [AMenuItem.Name, AMenuItem.Caption, cmd])); {$endif} if not InsertMenuW(AParentHandle, Index, fState, cmd, PWideChar(wCaption)) then DebugLn('[TWinCEWSMenuItem.AttachMenuEx] InsertMenuW failed for ', dbgsName(AMenuItem), ' : ', GetLastErrorText(GetLastError)); MenuInfo.cbSize := SizeOf(MenuInfo); MenuInfo.fMask := MIIM_DATA; //GetMenuItemInfo(ParentMenuHandle, Index, True, @MenuInfo); MenuInfo.dwItemData := PtrInt(AMenuItem); //MenuInfo.wID := AMenuItem.Command; {$ifdef VerboseWinCEMenu} DebugLn('[TWinCEWSMenuItem.AttachMenuEx] SetMenuItemInfoW Index = ' + IntToStr(Index)); {$endif} if not SetMenuItemInfoW(AParentHandle, Index, True, @MenuInfo) then DebugLn('[TWinCEWSMenuItem.AttachMenuEx] SetMenuItemInfoW failed for ', dbgsName(AMenuItem), ' : ', GetLastErrorText(GetLastError)); MenuItemsList.AddObject(IntToStr(AMenuItem.Command), AMenuItem); TriggerFormUpdate(AMenuItem); // DbgAppendToFile(ExtractFilePath(ParamStr(0)) + '1.log', // 'MenuItemsList.AddObject: ' + IntToStr(AMenuItem.Command + StartMenuItem) + // ' Object: ' + IntToStr(PtrInt(AMenuItem)) // ); end; class procedure TWinCEWSMenuItem.CopyMenuToHandle(const AMenuItem: TMenuItem; const ADest: HMENU); var i: integer; mi: MENUITEMINFO; buf: array[0..255] of WideChar; fState:integer; uIDNewItem : integer; begin // DbgAppendToFile(ExtractFilePath(ParamStr(0)) + '1.log', // 'CeMakeMenusSame Src: ' + IntToStr(SrcMenu) + ' Dst: ' + IntToStr(DstMenu)); while RemoveMenu(ADest, 0, MF_BYPOSITION) do ; i:=0; mi.cbSize:=SizeOf(mi); mi.fMask:=MIIM_SUBMENU or MIIM_TYPE or MIIM_ID or MIIM_STATE; mi.dwTypeData:=@buf; while GetMenuItemInfo(AMenuItem.Handle, i, True, mi) do begin buf[mi.cch]:=#0; fState:=MF_STRING; if mi.fState and MFS_DISABLED <> 0 then fState:=fState or MF_GRAYED; if mi.fState and MFS_CHECKED <> 0 then fState:=fState or MF_CHECKED; uIDNewItem := mi.wID; if mi.hSubMenu <> 0 then begin uIDNewItem := mi.hSubMenu; fstate := fstate or MF_POPUP; end; Windows.AppendMenu(ADest, fState, uIDNewItem, @buf); inc(i); end; end; {$ifndef Win32} class function TWinCEWSMenuItem.FindMenuForm(const AMenu: TMenu; var AMenuBarHandle: THandle; var AForm: TForm): Boolean; var i: Integer; begin // Iterate through all forms to find the parent Result := False; for i := 0 to Screen.FormCount - 1 do if Screen.Forms[i].Menu = AMenu then begin AMenuBarHandle := SHFindMenuBar(Screen.Forms[i].Handle); AForm := Screen.Forms[i]; Result := True; Break; end; end; class function TWinCEWSMenuItem.OpenCommand: LongInt; begin Result := inherited OpenCommand; Result := Result + MenuBarID_BASE; end; class procedure TWinCEWSMenuItem.CloseCommand(ACommand: LongInt); begin ACommand := ACommand - MenuBarID_BASE; if ACommand >=0 then inherited CloseCommand(ACommand); end; {$endif} class procedure TWinCEWSMenuItem.AttachMenu(const AMenuItem: TMenuItem); begin AttachMenuEx(AMenuItem, AMenuItem.Parent.Handle); end; class function TWinCEWSMenuItem.CreateHandle(const AMenuItem: TMenuItem): HMENU; begin // DebugLn(Format('[TWinCEWSMenuItem.CreateHandle] Name:%s Parent:%d Parent:%s Items:%d', // [AMenuItem.Name, Integer(AMenuItem.Parent), AMenuItem.Parent.Name, // Integer(AMenuItem.GetParentMenu.Items)])); Result := CreatePopupMenu; end; class procedure TWinCEWSMenuItem.DestroyHandle(const AMenuItem: TMenuItem); var idx: Integer; begin if AMenuItem = nil then Exit; // safety measure // this is the top item of a menu, so we must undo TWinCEWSMenu.CreateHandle // See bug 19898 // The Assigned(AMenuitem.Menu) is a fix from http://bugs.freepascal.org/view.php?id=20274 if Assigned(AMenuitem.Menu) and (AMenuItem = AMenuItem.Menu.Items) then begin idx := MenuHandleList.IndexOf(Pointer(AMenuItem.Handle)); if idx >= 0 then begin // the object is at the same position as the handle MenuHandleList.Delete(idx); MenuLCLObjectList.Delete(idx); end; end; if Assigned(AMenuItem.Parent) then DeleteMenu(AMenuItem.Parent.Handle, AMenuItem.Command, MF_BYCOMMAND); DestroyMenu(AMenuItem.Handle); TriggerFormUpdate(AMenuItem); end; class procedure TWinCEWSMenuItem.SetCaption(const AMenuItem: TMenuItem; const ACaption: string); {$ifndef Win32} var bi: TBBUTTONINFO; w: WideString; MenuBarRLID: Integer; FormFound: Boolean; AMenu: TMenu; lMenuBarHandle: THandle; lForm: TForm; {$endif} begin // The code to set top-level menus is different then ordinary items under WinCE {$ifndef Win32} AMenu := AMenuItem.GetParentMenu; {$ifdef VerboseWinCEMenu} DebugLn(Format('START [TWinCEWSMenuItem.SetCaption] ACaption: %s ACommand: %d', [AMenuItem.Caption, AMenuItem.Command])); {$endif} // Top-Level menu items for PDA systems if (Application.ApplicationType in [atPDA, atKeyPadDevice]) and (AMenu is TMainMenu) and (AMenuItem.Parent = AMenu.Items) then begin {$ifdef VerboseWinCEMenu} DebugLn('[TWinCEWSMenuItem.SetCaption] Top-level menu item'); {$endif} FormFound := FindMenuForm(AMenu, lMenuBarHandle, lForm); if not FormFound then Exit; {$ifdef VerboseWinCEMenu} DebugLn('[TWinCEWSMenuItem.SetCaption] Form found'); {$endif} FillChar(bi, SizeOf(TBBUTTONINFO), 0); bi.cbSize := SizeOf(TBBUTTONINFO); bi.dwMask := TBIF_TEXT; w := UTF8Decode(ACaption); bi.pszText := PWideChar(w); MenuBarRLID := AMenuItem.Command; {$ifdef VerboseWinCEMenu} DebugLn('[TWinCEWSMenuItem.SetCaption] TB_SETBUTTONINFO with ButtonID: ' + IntToStr(MenuBarRLID)); {$endif} SendMessageW(lMenuBarHandle, TB_SETBUTTONINFO, MenuBarRLID, LPARAM(@bi)); end // Second-Level menu items for atKeyPadDevice systems else if (Application.ApplicationType = atKeyPadDevice) and (AMenu is TMainMenu) and (AMenuItem.Parent <> nil) and (AMenuItem.Parent.Parent = AMenu.Items) then begin // The only solution is removing and reinserting the item, or the whole menu FormFound := FindMenuForm(AMenu, lMenuBarHandle, lForm); {$ifdef VerboseWinCEMenu} DebugLn(Format('[TWinCEWSMenuItem.SetCaption] Second-Level menu items for atKeyPadDevice systems' + ' lMenuBarHandle %d AMenu.Handle %d', [lMenuBarHandle, AMenu.Handle])); {$endif} if not FormFound then Exit; // And one easy solution to make it work is just recreating the whole menu SetMenu(lForm.Handle, AMenu.Handle); // The following code tryes to avoid that by only replacing the icon, but doesn't work (* lMenu := SendMessage(lMenuBarHandle, SHCMBM_GETSUBMENU, 0, 1); if not DeleteMenu(AMenu.Handle, AMenuItem.Command, MF_BYCOMMAND) then {$ifdef VerboseWinCEMenu} DebugLn(Format('[TWinCEWSMenuItem.SetCaption] DeleteMenu failed lMenu %d ' + ' Caption %s Command %d', [lMenu, AMenuItem.Caption, AMenuItem.Command])) {$endif} ; w := UTF8Decode(ACaption); InsertMenu(lMenu, AMenuItem.Command, MF_BYCOMMAND, AMenuItem.Command, @W);*) end else {$endif} UpdateCaption(AMenuItem, ACaption); end; class function TWinCEWSMenuItem.SetCheck(const AMenuItem: TMenuItem; const Checked: boolean): boolean; const uCheck: array[boolean] of uInt = (mf_Unchecked, mf_Checked); var Sibling: TMenuItem; begin with AMenuItem do if not radioItem or (groupIndex=0) then result := longBool(CheckMenuItem(AMenuItem.Parent.handle, AMenuItem.Command, uCheck[checked])) else if checked then begin result := CheckMenuRadioItem(AMenuItem.Parent.handle, AMenuItem.Command, AMenuItem.Command, AMenuItem.Command, mf_ByCommand); for Sibling in AMenuItem.Parent do if Sibling.radioItem and (Sibling.groupIndex=groupIndex) and (Sibling<>AMenuItem) then CheckMenuRadioItem(AMenuItem.Parent.handle, Sibling.command, Sibling.command, command, mf_ByCommand); end; end; class procedure TWinCEWSMenuItem.SetShortCut(const AMenuItem: TMenuItem; const ShortCutK1, ShortCutK2: TShortCut); begin TWinCEWSMenuItem.SetCaption(AMenuItem, aMenuItem.Caption); end; class function TWinCEWSMenuItem.SetEnable(const AMenuItem: TMenuItem; const Enabled: boolean): boolean; var EnableFlag: Integer; begin EnableFlag := MF_BYCOMMAND; if AMenuItem.Enabled then EnableFlag := EnableFlag or MF_ENABLED else EnableFlag := EnableFlag or MF_GRAYED; Result := Boolean(Windows.EnableMenuItem(AMenuItem.Parent.Handle, AMenuItem.Command, EnableFlag)); TriggerFormUpdate(AMenuItem); end; class function TWinCEWSMenuItem.SetRightJustify(const AMenuItem: TMenuItem; const Justified: boolean): boolean; begin Result := ChangeMenuFlag(AMenuItem, MFT_RIGHTJUSTIFY, Justified); end; class procedure TWinCEWSMenuItem.UpdateMenuIcon(const AMenuItem: TMenuItem; const HasIcon: Boolean; const AIcon: Graphics.TBitmap); begin // not implemented end; { TWinCEWSMenu } class function TWinCEWSMenu.CreateHandle(const AMenu: TMenu): HMENU; begin Result := CreateMenu; // A pointer to the LCL item is saved to be used latter by CeSetMenu // LCLIntf.SetProp and SetWindowLongW were also tryed but didn't work MenuHandleList.Add(Pointer(Result)); MenuLCLObjectList.Add(Pointer(AMenu)); end; { TWinCEWSPopupMenu } class function TWinCEWSPopupMenu.CreateHandle(const AMenu: TMenu): HMENU; begin Result := CreatePopupMenu; end; class procedure TWinCEWSPopupMenu.Popup(const APopupMenu: TPopupMenu; const X, Y: integer); var MenuHandle: HMENU; AppHandle: HWND; const lAlignment: array[TPopupAlignment, Boolean] of DWORD = ( { left-to-rght } { right-to-left } { paLeft } (TPM_LEFTALIGN, TPM_RIGHTALIGN), { paRight } (TPM_RIGHTALIGN, TPM_LEFTALIGN), { paCenter } (TPM_CENTERALIGN, TPM_CENTERALIGN) ); lTrackButtons: array[TTrackButton] of DWORD = ( { tbRightButton } TPM_RIGHTBUTTON, { tbLeftButton } TPM_LEFTBUTTON ); begin MenuHandle := APopupMenu.Handle; AppHandle := TWinCEWidgetSet(WidgetSet).AppHandle; GetWindowInfo(AppHandle)^.PopupMenu := APopupMenu; TrackPopupMenuEx(MenuHandle, lAlignment[APopupMenu.Alignment, APopupMenu.IsRightToLeft] or lTrackButtons[APopupMenu.TrackButton], X, Y, AppHandle, nil); end; initialization MenuItemsList := TStringList.Create; MenuHandleList := TFPList.Create; MenuLCLObjectList := TFPList.Create; finalization MenuItemsList.Free; MenuHandleList.Free; MenuLCLObjectList.Free; end.